Q: What is the sum of all factors of the number 318,480 excluding 318,480?

A: 669,552

Why is 669,552 the sum of all factors of 318,480, excluding 318,480?

The factors of the number 318,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1327, 2654, 3981, 5308, 6635, 7962, 10616, 13270, 15924, 19905, 21232, 26540, 31848, 39810, 53080, 63696, 79620, 106160, 159240, 318480.

If you add them up, you will get the total of 319,149. Now subtract 318,480 to get 669,552