Q: What is the sum of all factors of the number 15,480 excluding 15,480?

A: 36,000

Why is 36,000 the sum of all factors of 15,480, excluding 15,480?

The factors of the number 15,480 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480.

If you add them up, you will get the total of 15,516. Now subtract 15,480 to get 36,000