Q: What is the sum of all factors of the number 156,780 excluding 156,780?

A: 363,012

Why is 363,012 the sum of all factors of 156,780, excluding 156,780?

The factors of the number 156,780 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 468, 585, 603, 670, 780, 804, 871, 1005, 1170, 1206, 1340, 1742, 2010, 2340, 2412, 2613, 3015, 3484, 4020, 4355, 5226, 6030, 7839, 8710, 10452, 12060, 13065, 15678, 17420, 26130, 31356, 39195, 52260, 78390, 156780.

If you add them up, you will get the total of 157,143. Now subtract 156,780 to get 363,012