Q: What is the sum of all factors of the number 81,780 excluding 81,780?
A: 160,140
The factors of the number 81,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 235, 282, 290, 348, 435, 470, 564, 580, 705, 870, 940, 1363, 1410, 1740, 2726, 2820, 4089, 5452, 6815, 8178, 13630, 16356, 20445, 27260, 40890, 81780.
If you add them up, you will get the total of 81,940. Now subtract 81,780 to get 160,140