128231580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2137193}}^1$

素因数の和:2137205

約数の個数: 24

約数和(自身を含む): 359048592

約数和(自身を除く): 230817012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2137193, 4274386, 6411579, 8548772, 10685965, 12823158, 21371930, 25646316, 32057895, 42743860, 64115790, 128231580]

約数ペア:

[(1, 128231580), (2, 64115790), (3, 42743860), (4, 32057895), (5, 25646316), (6, 21371930), (10, 12823158), (12, 10685965), (15, 8548772), (20, 6411579), (30, 4274386), (60, 2137193)]