55786920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66413}}^1$

素因数の和:66434

約数の個数: 64

約数和(自身を含む): 191272320

約数和(自身を除く): 135485400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 66413, 132826, 199239, 265652, 332065, 398478, 464891, 531304, 664130, 796956, 929782, 996195, 1328260, 1394673, 1593912, 1859564, 1992390, 2324455, 2656520, 2789346, 3719128, 3984780, 4648910, 5578692, 6973365, 7969560, 9297820, 11157384, 13946730, 18595640, 27893460, 55786920]

約数ペア:

[(1, 55786920), (2, 27893460), (3, 18595640), (4, 13946730), (5, 11157384), (6, 9297820), (7, 7969560), (8, 6973365), (10, 5578692), (12, 4648910), (14, 3984780), (15, 3719128), (20, 2789346), (21, 2656520), (24, 2324455), (28, 1992390), (30, 1859564), (35, 1593912), (40, 1394673), (42, 1328260), (56, 996195), (60, 929782), (70, 796956), (84, 664130), (105, 531304), (120, 464891), (140, 398478), (168, 332065), (210, 265652), (280, 199239), (420, 132826), (840, 66413)]