128580084

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1677

約数の個数: 72

約数和(自身を含む): 340704000

約数和(自身を除く): 212123916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 79, 87, 116, 158, 174, 237, 261, 316, 348, 474, 522, 711, 948, 1044, 1422, 1559, 2291, 2844, 3118, 4582, 4677, 6236, 6873, 9164, 9354, 13746, 14031, 18708, 20619, 27492, 28062, 41238, 45211, 56124, 82476, 90422, 123161, 135633, 180844, 246322, 271266, 369483, 406899, 492644, 542532, 738966, 813798, 1108449, 1477932, 1627596, 2216898, 3571669, 4433796, 7143338, 10715007, 14286676, 21430014, 32145021, 42860028, 64290042, 128580084]

約数ペア:

[(1, 128580084), (2, 64290042), (3, 42860028), (4, 32145021), (6, 21430014), (9, 14286676), (12, 10715007), (18, 7143338), (29, 4433796), (36, 3571669), (58, 2216898), (79, 1627596), (87, 1477932), (116, 1108449), (158, 813798), (174, 738966), (237, 542532), (261, 492644), (316, 406899), (348, 369483), (474, 271266), (522, 246322), (711, 180844), (948, 135633), (1044, 123161), (1422, 90422), (1559, 82476), (2291, 56124), (2844, 45211), (3118, 41238), (4582, 28062), (4677, 27492), (6236, 20619), (6873, 18708), (9164, 14031), (9354, 13746)]