64197420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152851}}^1$

素因数の和:152870

約数の個数: 48

約数和(自身を含む): 205433088

約数和(自身を除く): 141235668

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, 152851, 305702, 458553, 611404, 764255, 917106, 1069957, 1528510, 1834212, 2139914, 2292765, 3057020, 3209871, 4279828, 4585530, 5349785, 6419742, 9171060, 10699570, 12839484, 16049355, 21399140, 32098710, 64197420]

約数ペア:

[(1, 64197420), (2, 32098710), (3, 21399140), (4, 16049355), (5, 12839484), (6, 10699570), (7, 9171060), (10, 6419742), (12, 5349785), (14, 4585530), (15, 4279828), (20, 3209871), (21, 3057020), (28, 2292765), (30, 2139914), (35, 1834212), (42, 1528510), (60, 1069957), (70, 917106), (84, 764255), (105, 611404), (140, 458553), (210, 305702), (420, 152851)]