15129680

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 35340000

約数和(自身を除く): 20210320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 499, 758, 998, 1516, 1895, 1996, 2495, 3032, 3790, 3992, 4990, 6064, 7580, 7984, 9980, 15160, 19960, 30320, 39920, 189121, 378242, 756484, 945605, 1512968, 1891210, 3025936, 3782420, 7564840, 15129680]

約数ペア:

[(1, 15129680), (2, 7564840), (4, 3782420), (5, 3025936), (8, 1891210), (10, 1512968), (16, 945605), (20, 756484), (40, 378242), (80, 189121), (379, 39920), (499, 30320), (758, 19960), (998, 15160), (1516, 9980), (1895, 7984), (1996, 7580), (2495, 6064), (3032, 4990), (3790, 3992)]