Q: What is the sum of all factors of the number 361,560 excluding 361,560?

A: 778,920

Why is 778,920 the sum of all factors of 361,560, excluding 361,560?

The factors of the number 361,560 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 131, 138, 184, 230, 262, 276, 345, 393, 460, 524, 552, 655, 690, 786, 920, 1048, 1310, 1380, 1572, 1965, 2620, 2760, 3013, 3144, 3930, 5240, 6026, 7860, 9039, 12052, 15065, 15720, 18078, 24104, 30130, 36156, 45195, 60260, 72312, 90390, 120520, 180780, 361560.

If you add them up, you will get the total of 362,338. Now subtract 361,560 to get 778,920