Q: What is the sum of all factors of the number 120,360 excluding 120,360?

A: 268,440

Why is 268,440 the sum of all factors of 120,360, excluding 120,360?

The factors of the number 120,360 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 680, 708, 885, 1003, 1020, 1180, 1416, 1770, 2006, 2040, 2360, 3009, 3540, 4012, 5015, 6018, 7080, 8024, 10030, 12036, 15045, 20060, 24072, 30090, 40120, 60180, 120360.

If you add them up, you will get the total of 120,628. Now subtract 120,360 to get 268,440