646255260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{56989}}^1$

素因数の和:57017

約数の個数: 120

約数和(自身を含む): 2316985440

約数和(自身を除く): 1670730180

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, 56989, 113978, 170967, 227956, 284945, 341934, 398923, 512901, 569890, 683868, 797846, 854835, 1025802, 1139780, 1196769, 1538703, 1595692, 1709670, 1994615, 2051604, 2393538, 2564505, 3077406, 3419340, 3590307, 3989230, 4616109, 4787076, 5129010, 5983845, 6154812, 7180614, 7693515, 7978460, 9232218, 10258020, 10770921, 11967690, 14361228, 15387030, 17951535, 18464436, 21541842, 23080545, 23935380, 30774060, 32312763, 35903070, 43083684, 46161090, 53854605, 64625526, 71806140, 92322180, 107709210, 129251052, 161563815, 215418420, 323127630, 646255260]

約数ペア:

[(1, 646255260), (2, 323127630), (3, 215418420), (4, 161563815), (5, 129251052), (6, 107709210), (7, 92322180), (9, 71806140), (10, 64625526), (12, 53854605), (14, 46161090), (15, 43083684), (18, 35903070), (20, 32312763), (21, 30774060), (27, 23935380), (28, 23080545), (30, 21541842), (35, 18464436), (36, 17951535), (42, 15387030), (45, 14361228), (54, 11967690), (60, 10770921), (63, 10258020), (70, 9232218), (81, 7978460), (84, 7693515), (90, 7180614), (105, 6154812), (108, 5983845), (126, 5129010), (135, 4787076), (140, 4616109), (162, 3989230), (180, 3590307), (189, 3419340), (210, 3077406), (252, 2564505), (270, 2393538), (315, 2051604), (324, 1994615), (378, 1709670), (405, 1595692), (420, 1538703), (540, 1196769), (567, 1139780), (630, 1025802), (756, 854835), (810, 797846), (945, 683868), (1134, 569890), (1260, 512901), (1620, 398923), (1890, 341934), (2268, 284945), (2835, 227956), (3780, 170967), (5670, 113978), (11340, 56989)]