72177420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171851}}^1$

素因数の和:171870

約数の個数: 48

約数和(自身を含む): 230969088

約数和(自身を除く): 158791668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171851, 343702, 515553, 687404, 859255, 1031106, 1202957, 1718510, 2062212, 2405914, 2577765, 3437020, 3608871, 4811828, 5155530, 6014785, 7217742, 10311060, 12029570, 14435484, 18044355, 24059140, 36088710, 72177420]

約数ペア:

[(1, 72177420), (2, 36088710), (3, 24059140), (4, 18044355), (5, 14435484), (6, 12029570), (7, 10311060), (10, 7217742), (12, 6014785), (14, 5155530), (15, 4811828), (20, 3608871), (21, 3437020), (28, 2577765), (30, 2405914), (35, 2062212), (42, 1718510), (60, 1202957), (70, 1031106), (84, 859255), (105, 687404), (140, 515553), (210, 343702), (420, 171851)]