Q: What is the sum of all factors of the number 72,840 excluding 72,840?
A: 146,040
The factors of the number 72,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 607, 1214, 1821, 2428, 3035, 3642, 4856, 6070, 7284, 9105, 12140, 14568, 18210, 24280, 36420, 72840.
If you add them up, you will get the total of 72,986. Now subtract 72,840 to get 146,040