78616020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187181}}^1$

素因数の和:187200

約数の個数: 48

約数和(自身を含む): 251572608

約数和(自身を除く): 172956588

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, 187181, 374362, 561543, 748724, 935905, 1123086, 1310267, 1871810, 2246172, 2620534, 2807715, 3743620, 3930801, 5241068, 5615430, 6551335, 7861602, 11230860, 13102670, 15723204, 19654005, 26205340, 39308010, 78616020]

約数ペア:

[(1, 78616020), (2, 39308010), (3, 26205340), (4, 19654005), (5, 15723204), (6, 13102670), (7, 11230860), (10, 7861602), (12, 6551335), (14, 5615430), (15, 5241068), (20, 3930801), (21, 3743620), (28, 2807715), (30, 2620534), (35, 2246172), (42, 1871810), (60, 1310267), (70, 1123086), (84, 935905), (105, 748724), (140, 561543), (210, 374362), (420, 187181)]