Q: What is the sum of all factors of the number 3,480 excluding 3,480?
A: 7,320
The factors of the number 3,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480.
If you add them up, you will get the total of 3,487. Now subtract 3,480 to get 7,320