121219360

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1999}}^1$

素因数の和:2393

約数の個数: 48

約数和(自身を含む): 287280000

約数和(自身を除く): 166060640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 1999, 3032, 3790, 3998, 6064, 7580, 7996, 9995, 12128, 15160, 15992, 19990, 30320, 31984, 39980, 60640, 63968, 79960, 159920, 319840, 757621, 1515242, 3030484, 3788105, 6060968, 7576210, 12121936, 15152420, 24243872, 30304840, 60609680, 121219360]

約数ペア:

[(1, 121219360), (2, 60609680), (4, 30304840), (5, 24243872), (8, 15152420), (10, 12121936), (16, 7576210), (20, 6060968), (32, 3788105), (40, 3030484), (80, 1515242), (160, 757621), (379, 319840), (758, 159920), (1516, 79960), (1895, 63968), (1999, 60640), (3032, 39980), (3790, 31984), (3998, 30320), (6064, 19990), (7580, 15992), (7996, 15160), (9995, 12128)]