128942340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149039}}^1$

素因数の和:2149051

約数の個数: 24

約数和(自身を含む): 361038720

約数和(自身を除く): 232096380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149039, 4298078, 6447117, 8596156, 10745195, 12894234, 21490390, 25788468, 32235585, 42980780, 64471170, 128942340]

約数ペア:

[(1, 128942340), (2, 64471170), (3, 42980780), (4, 32235585), (5, 25788468), (6, 21490390), (10, 12894234), (12, 10745195), (15, 8596156), (20, 6447117), (30, 4298078), (60, 2149039)]