218613720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3329

約数の個数: 128

約数和(自身を含む): 722937600

約数和(自身を除く): 504323880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3259, 3354, 4472, 5160, 5590, 6518, 6708, 8385, 9777, 11180, 13036, 13416, 16295, 16770, 19554, 22360, 26072, 32590, 33540, 39108, 42367, 48885, 65180, 67080, 78216, 84734, 97770, 127101, 130360, 140137, 169468, 195540, 211835, 254202, 280274, 338936, 391080, 420411, 423670, 508404, 560548, 635505, 700685, 840822, 847340, 1016808, 1121096, 1271010, 1401370, 1681644, 1694680, 1821781, 2102055, 2542020, 2802740, 3363288, 3643562, 4204110, 5084040, 5465343, 5605480, 7287124, 8408220, 9108905, 10930686, 14574248, 16816440, 18217810, 21861372, 27326715, 36435620, 43722744, 54653430, 72871240, 109306860, 218613720]

約数ペア:

[(1, 218613720), (2, 109306860), (3, 72871240), (4, 54653430), (5, 43722744), (6, 36435620), (8, 27326715), (10, 21861372), (12, 18217810), (13, 16816440), (15, 14574248), (20, 10930686), (24, 9108905), (26, 8408220), (30, 7287124), (39, 5605480), (40, 5465343), (43, 5084040), (52, 4204110), (60, 3643562), (65, 3363288), (78, 2802740), (86, 2542020), (104, 2102055), (120, 1821781), (129, 1694680), (130, 1681644), (156, 1401370), (172, 1271010), (195, 1121096), (215, 1016808), (258, 847340), (260, 840822), (312, 700685), (344, 635505), (390, 560548), (430, 508404), (516, 423670), (520, 420411), (559, 391080), (645, 338936), (780, 280274), (860, 254202), (1032, 211835), (1118, 195540), (1290, 169468), (1560, 140137), (1677, 130360), (1720, 127101), (2236, 97770), (2580, 84734), (2795, 78216), (3259, 67080), (3354, 65180), (4472, 48885), (5160, 42367), (5590, 39108), (6518, 33540), (6708, 32590), (8385, 26072), (9777, 22360), (11180, 19554), (13036, 16770), (13416, 16295)]