320160815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 427472640

約数和(自身を除く): 107311825

約数列:

[1, 5, 13, 37, 65, 185, 239, 481, 557, 1195, 2405, 2785, 3107, 7241, 8843, 15535, 20609, 36205, 44215, 103045, 114959, 133123, 267917, 574795, 665615, 1339585, 1730599, 4925551, 8652995, 24627755, 64032163, 320160815]

約数ペア:

[(1, 320160815), (5, 64032163), (13, 24627755), (37, 8652995), (65, 4925551), (185, 1730599), (239, 1339585), (481, 665615), (557, 574795), (1195, 267917), (2405, 133123), (2785, 114959), (3107, 103045), (7241, 44215), (8843, 36205), (15535, 20609)]