30172840

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3323}}^1$

素因数の和:3561

約数の個数: 32

約数和(自身を含む): 68208480

約数和(自身を除く): 38035640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 3323, 4540, 6646, 9080, 13292, 16615, 26584, 33230, 66460, 132920, 754321, 1508642, 3017284, 3771605, 6034568, 7543210, 15086420, 30172840]

約数ペア:

[(1, 30172840), (2, 15086420), (4, 7543210), (5, 6034568), (8, 3771605), (10, 3017284), (20, 1508642), (40, 754321), (227, 132920), (454, 66460), (908, 33230), (1135, 26584), (1816, 16615), (2270, 13292), (3323, 9080), (4540, 6646)]