81465420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10691}}^1$

素因数の和:10830

約数の個数: 48

約数和(自身を含む): 229920768

約数和(自身を除く): 148455348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 10691, 21382, 32073, 42764, 53455, 64146, 106910, 128292, 160365, 213820, 320730, 641460, 1357757, 2715514, 4073271, 5431028, 6788785, 8146542, 13577570, 16293084, 20366355, 27155140, 40732710, 81465420]

約数ペア:

[(1, 81465420), (2, 40732710), (3, 27155140), (4, 20366355), (5, 16293084), (6, 13577570), (10, 8146542), (12, 6788785), (15, 5431028), (20, 4073271), (30, 2715514), (60, 1357757), (127, 641460), (254, 320730), (381, 213820), (508, 160365), (635, 128292), (762, 106910), (1270, 64146), (1524, 53455), (1905, 42764), (2540, 32073), (3810, 21382), (7620, 10691)]