1020666080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:857

約数の個数: 144

約数和(自身を含む): 2822870736

約数和(自身を除く): 1802204656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 211, 224, 245, 280, 392, 422, 490, 560, 617, 784, 844, 980, 1055, 1120, 1234, 1477, 1568, 1688, 1960, 2110, 2468, 2954, 3085, 3376, 3920, 4220, 4319, 4936, 5908, 6170, 6752, 7385, 7840, 8440, 8638, 9872, 10339, 11816, 12340, 14770, 16880, 17276, 19744, 20678, 21595, 23632, 24680, 29540, 30233, 33760, 34552, 41356, 43190, 47264, 49360, 51695, 59080, 60466, 69104, 82712, 86380, 98720, 103390, 118160, 120932, 130187, 138208, 151165, 165424, 172760, 206780, 236320, 241864, 260374, 302330, 330848, 345520, 413560, 483728, 520748, 604660, 650935, 691040, 827120, 911309, 967456, 1041496, 1209320, 1301870, 1654240, 1822618, 2082992, 2418640, 2603740, 3645236, 4165984, 4556545, 4837280, 5207480, 6379163, 7290472, 9113090, 10414960, 12758326, 14580944, 18226180, 20829920, 25516652, 29161888, 31895815, 36452360, 51033304, 63791630, 72904720, 102066608, 127583260, 145809440, 204133216, 255166520, 510333040, 1020666080]

約数ペア:

[(1, 1020666080), (2, 510333040), (4, 255166520), (5, 204133216), (7, 145809440), (8, 127583260), (10, 102066608), (14, 72904720), (16, 63791630), (20, 51033304), (28, 36452360), (32, 31895815), (35, 29161888), (40, 25516652), (49, 20829920), (56, 18226180), (70, 14580944), (80, 12758326), (98, 10414960), (112, 9113090), (140, 7290472), (160, 6379163), (196, 5207480), (211, 4837280), (224, 4556545), (245, 4165984), (280, 3645236), (392, 2603740), (422, 2418640), (490, 2082992), (560, 1822618), (617, 1654240), (784, 1301870), (844, 1209320), (980, 1041496), (1055, 967456), (1120, 911309), (1234, 827120), (1477, 691040), (1568, 650935), (1688, 604660), (1960, 520748), (2110, 483728), (2468, 413560), (2954, 345520), (3085, 330848), (3376, 302330), (3920, 260374), (4220, 241864), (4319, 236320), (4936, 206780), (5908, 172760), (6170, 165424), (6752, 151165), (7385, 138208), (7840, 130187), (8440, 120932), (8638, 118160), (9872, 103390), (10339, 98720), (11816, 86380), (12340, 82712), (14770, 69104), (16880, 60466), (17276, 59080), (19744, 51695), (20678, 49360), (21595, 47264), (23632, 43190), (24680, 41356), (29540, 34552), (30233, 33760)]