65260020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155381}}^1$

素因数の和:155400

約数の個数: 48

約数和(自身を含む): 208833408

約数和(自身を除く): 143573388

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, 155381, 310762, 466143, 621524, 776905, 932286, 1087667, 1553810, 1864572, 2175334, 2330715, 3107620, 3263001, 4350668, 4661430, 5438335, 6526002, 9322860, 10876670, 13052004, 16315005, 21753340, 32630010, 65260020]

約数ペア:

[(1, 65260020), (2, 32630010), (3, 21753340), (4, 16315005), (5, 13052004), (6, 10876670), (7, 9322860), (10, 6526002), (12, 5438335), (14, 4661430), (15, 4350668), (20, 3263001), (21, 3107620), (28, 2330715), (30, 2175334), (35, 1864572), (42, 1553810), (60, 1087667), (70, 932286), (84, 776905), (105, 621524), (140, 466143), (210, 310762), (420, 155381)]