Q: What is the sum of all factors of the number 72,420 excluding 72,420?
A: 145,308
The factors of the number 72,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 284, 340, 355, 426, 510, 710, 852, 1020, 1065, 1207, 1420, 2130, 2414, 3621, 4260, 4828, 6035, 7242, 12070, 14484, 18105, 24140, 36210, 72420.
If you add them up, you will get the total of 72,565. Now subtract 72,420 to get 145,308