71958420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399769}}^1$

素因数の和:399784

約数の個数: 36

約数和(自身を含む): 218274420

約数和(自身を除く): 146316000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399769, 799538, 1199307, 1599076, 1998845, 2398614, 3597921, 3997690, 4797228, 5996535, 7195842, 7995380, 11993070, 14391684, 17989605, 23986140, 35979210, 71958420]

約数ペア:

[(1, 71958420), (2, 35979210), (3, 23986140), (4, 17989605), (5, 14391684), (6, 11993070), (9, 7995380), (10, 7195842), (12, 5996535), (15, 4797228), (18, 3997690), (20, 3597921), (30, 2398614), (36, 1998845), (45, 1599076), (60, 1199307), (90, 799538), (180, 399769)]