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# What is the sum of all the positive divisors of 72?

Updated: 4/28/2022

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10y ago

The sum is 195.

Wiki User

10y ago
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Q: What is the sum of all the positive divisors of 72?
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### Is 72 a abundant number or deficient number?

72 is an abundant number because the sum of its positive divisors, not including 72 itself, is larger than 72. Positive divisors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. 1 + 2 + 3 + 4 + 6 + 8 + 9 + 12 + 18 + 24 + 36 = 123 &gt; 72 (if an integer is larger than the sum of its positive divisors , not including the integer itself, then that integer is called a deficient number, such as prime or power of prime numbers or numbers like 10 are).

### Determine whether the number is abundant or deficient number 72?

72 is an abundant number because the sum of its positive divisors, not including 72 itself, is larger than 72. Positive divisors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. 1 + 2 + 3 + 4 + 6 + 8 + 9 + 12 + 18 + 24 + 36 = 123 &gt; 72 (if an integer is larger than the sum of its positive divisors , not including the integer itself, then that integer is called a deficient number, such as prime or power of prime numbers or numbers like 10 are).

### What is the sum of all the factors of 30?

The sum of the positive whole-number factors of 30 is 72.

### What is the sum of the positive divisors of 72?

Here are the factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 Some people leave 1 and/or the number itself out when totaling. I'll leave that up to you.

62 + 72 = 85

72.

### Why is 8 an accounting number and a rational number?

The positive divisors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30. Thus d(30) = number of such divisors=8, &#318;(30) = sum of such divisors=72 and &#318;2(30) = sum of squares of such divisors= 1 + 4 + 9 + 25 + 100 + 225 + 900 = 1300. From the formula, since 30=2.3.5, we have d(30 = (1 + 1)(1 + 1)(1 + 1) = 8; &#318;(30 = 22 &#711;1 2&#711;1 : 32 &#711;1 3&#711;1 : 52 &#711;1 5&#711;1 = 3 1 : 8 2 : 24 4 = 72 and &#318;2(30) = 24 &#711;1 22 &#711;1 : 34 &#711;1 32 &#711;1 : 54 &#711;1 52 &#711;1 = 15 3 : 80 8 : 624 24 = 5:10:26 = 1300.

### What is the greatest common factor of 42 and 72?

The greatest common factor of 42 and 72 is 6 Gcf stands for Greatest Common Factor, The gcf of 42 and 72 is the largest positive number that is a factor of both 42 and 72. The positive factors of 42 (the integral divisors of 42) are: 1, 2, 3, 6, 7, 14, 21, and 42. The positive factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 36, and 72. Therefore the gcf of 42 and 72 is 6, as the greatest factor that 42 and 72 have in common.

### What are the divisors of 72?

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72

the sum is 72

### What is the sum and product of 72 and 12?

The sum of 72 and 12 is 84. The product of the two numbers is 864.

### What is 84 plus 72 equal?

The sum of 84 and 72 is 156.