204381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2417}}^1$

素因数の和:2588

約数の個数: 80

約数和(自身を含む): 546893568

約数和(自身を除く): 342512048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 2417, 3020, 4228, 4834, 5285, 6040, 8456, 9668, 10570, 12080, 12085, 16912, 16919, 19336, 21140, 24170, 33838, 38672, 42280, 48340, 67676, 84560, 84595, 96680, 135352, 169190, 193360, 270704, 338380, 364967, 676760, 729934, 1353520, 1459868, 1824835, 2554769, 2919736, 3649670, 5109538, 5839472, 7299340, 10219076, 12773845, 14598680, 20438152, 25547690, 29197360, 40876304, 51095380, 102190760, 204381520]

約数ペア:

[(1, 204381520), (2, 102190760), (4, 51095380), (5, 40876304), (7, 29197360), (8, 25547690), (10, 20438152), (14, 14598680), (16, 12773845), (20, 10219076), (28, 7299340), (35, 5839472), (40, 5109538), (56, 3649670), (70, 2919736), (80, 2554769), (112, 1824835), (140, 1459868), (151, 1353520), (280, 729934), (302, 676760), (560, 364967), (604, 338380), (755, 270704), (1057, 193360), (1208, 169190), (1510, 135352), (2114, 96680), (2416, 84595), (2417, 84560), (3020, 67676), (4228, 48340), (4834, 42280), (5285, 38672), (6040, 33838), (8456, 24170), (9668, 21140), (10570, 19336), (12080, 16919), (12085, 16912)]