Q: What is the sum of all factors of the number 316,320 excluding 316,320?

A: 681,600

Why is 681,600 the sum of all factors of 316,320, excluding 316,320?

The factors of the number 316,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 659, 1318, 1977, 2636, 3295, 3954, 5272, 6590, 7908, 9885, 10544, 13180, 15816, 19770, 21088, 26360, 31632, 39540, 52720, 63264, 79080, 105440, 158160, 316320.

If you add them up, you will get the total of 317,001. Now subtract 316,320 to get 681,600