1617420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3851}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 5177088

約数和(自身を除く): 3559668

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, 3851, 7702, 11553, 15404, 19255, 23106, 26957, 38510, 46212, 53914, 57765, 77020, 80871, 107828, 115530, 134785, 161742, 231060, 269570, 323484, 404355, 539140, 808710, 1617420]

約数ペア:

[(1, 1617420), (2, 808710), (3, 539140), (4, 404355), (5, 323484), (6, 269570), (7, 231060), (10, 161742), (12, 134785), (14, 115530), (15, 107828), (20, 80871), (21, 77020), (28, 57765), (30, 53914), (35, 46212), (42, 38510), (60, 26957), (70, 23106), (84, 19255), (105, 15404), (140, 11553), (210, 7702), (420, 3851)]