Q: What is the sum of all factors of the number 76,320 excluding 76,320?

A: 189,036

Why is 189,036 the sum of all factors of 76,320, excluding 76,320?

The factors of the number 76,320 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 5088, 6360, 7632, 8480, 9540, 12720, 15264, 19080, 25440, 38160, 76320.

If you add them up, you will get the total of 76,509. Now subtract 76,320 to get 189,036