388802940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6480049}}^1$

素因数の和:6480061

約数の個数: 24

約数和(自身を含む): 1088648400

約数和(自身を除く): 699845460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6480049, 12960098, 19440147, 25920196, 32400245, 38880294, 64800490, 77760588, 97200735, 129600980, 194401470, 388802940]

約数ペア:

[(1, 388802940), (2, 194401470), (3, 129600980), (4, 97200735), (5, 77760588), (6, 64800490), (10, 38880294), (12, 32400245), (15, 25920196), (20, 19440147), (30, 12960098), (60, 6480049)]