The sum is 144 if 60 is included, 84 if not.
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1 and 2.
The answer to what is the sum of the first positive even numbers is 930. It doesn't mean that you add all the even numbers up until you reach the number 30. In fact, since you have to get the sum of the even numbers, you have to add all even numbers until you get to the number 60.
2 + 3 + 5 = 10
the factors of 60 are 1,2,3,4,5,6,10,12,15,20,30,60
60