Q: What is the sum of all factors of the number 58,320 excluding 58,320?

A: 144,978

Why is 144,978 the sum of all factors of 58,320, excluding 58,320?

The factors of the number 58,320 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4860, 5832, 6480, 7290, 9720, 11664, 14580, 19440, 29160, 58320.

If you add them up, you will get the total of 58,464. Now subtract 58,320 to get 144,978