60: 2, 3, 4, 5, 6, 10, 12, 15, 20, 30
72: 2, 3, 4, 6, 8, 9, 12, 18, 24, 36
84: 2, 3, 4, 6, 7, 12, 24, 21, 28, 42
90: 2, 3, 5, 6, 9, 10, 15, 18, 30, 45
96: 2, 3, 4, 6, 8, 12, 16, 24, 32, 48
These numbers have the most proper factors between 1 and 100, they each have 10 proper factors.
if you want to find more stuff about factors and other math elements, look here:
http://factorzone.tripod.com/51-100.htm
36 has nine factors
60,72,84,90 and 96 each have twelve factors.
It is one of 5 numbers.
24 has the most factors of all the numbers between 1 and 25. The 8 factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.
The number with the most factors between 21 and 40 is 30. Factors of a number are the numbers that can divide the original number without leaving a remainder. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30, giving it a total of 8 factors, which is the highest among the numbers between 21 and 40.
That is a list of the proper divisors of 588. Most definitions of proper factors do not include the number 1.
36 has nine factors
120.
156
48?
360
240
48
60,72,84,90 and 96 each have twelve factors.
12, 18 and 20 each have six factors.
In that range, 180 has the most.
The answer between 1 and 1000 is 840, but what about 1 and 1100?