Q: What is the sum of all factors of the number 1,320 excluding 1,320?
A: 3,000
The factors of the number 1,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320.
If you add them up, you will get the total of 1,323. Now subtract 1,320 to get 3,000