642172860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{56629}}^1$

素因数の和:56657

約数の個数: 120

約数和(自身を含む): 2302349280

約数和(自身を除く): 1660176420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 56629, 113258, 169887, 226516, 283145, 339774, 396403, 509661, 566290, 679548, 792806, 849435, 1019322, 1132580, 1189209, 1528983, 1585612, 1698870, 1982015, 2038644, 2378418, 2548305, 3057966, 3397740, 3567627, 3964030, 4586949, 4756836, 5096610, 5946045, 6115932, 7135254, 7644915, 7928060, 9173898, 10193220, 10702881, 11892090, 14270508, 15289830, 17838135, 18347796, 21405762, 22934745, 23784180, 30579660, 32108643, 35676270, 42811524, 45869490, 53514405, 64217286, 71352540, 91738980, 107028810, 128434572, 160543215, 214057620, 321086430, 642172860]

約数ペア:

[(1, 642172860), (2, 321086430), (3, 214057620), (4, 160543215), (5, 128434572), (6, 107028810), (7, 91738980), (9, 71352540), (10, 64217286), (12, 53514405), (14, 45869490), (15, 42811524), (18, 35676270), (20, 32108643), (21, 30579660), (27, 23784180), (28, 22934745), (30, 21405762), (35, 18347796), (36, 17838135), (42, 15289830), (45, 14270508), (54, 11892090), (60, 10702881), (63, 10193220), (70, 9173898), (81, 7928060), (84, 7644915), (90, 7135254), (105, 6115932), (108, 5946045), (126, 5096610), (135, 4756836), (140, 4586949), (162, 3964030), (180, 3567627), (189, 3397740), (210, 3057966), (252, 2548305), (270, 2378418), (315, 2038644), (324, 1982015), (378, 1698870), (405, 1585612), (420, 1528983), (540, 1189209), (567, 1132580), (630, 1019322), (756, 849435), (810, 792806), (945, 679548), (1134, 566290), (1260, 509661), (1620, 396403), (1890, 339774), (2268, 283145), (2835, 226516), (3780, 169887), (5670, 113258), (11340, 56629)]