201728480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 493970400

約数和(自身を除く): 292241920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 109, 160, 172, 215, 218, 269, 344, 430, 436, 538, 545, 688, 860, 872, 1076, 1090, 1345, 1376, 1720, 1744, 2152, 2180, 2690, 3440, 3488, 4304, 4360, 4687, 5380, 6880, 8608, 8720, 9374, 10760, 11567, 17440, 18748, 21520, 23134, 23435, 29321, 37496, 43040, 46268, 46870, 57835, 58642, 74992, 92536, 93740, 115670, 117284, 146605, 149984, 185072, 187480, 231340, 234568, 293210, 370144, 374960, 462680, 469136, 586420, 749920, 925360, 938272, 1172840, 1260803, 1850720, 2345680, 2521606, 4691360, 5043212, 6304015, 10086424, 12608030, 20172848, 25216060, 40345696, 50432120, 100864240, 201728480]

約数ペア:

[(1, 201728480), (2, 100864240), (4, 50432120), (5, 40345696), (8, 25216060), (10, 20172848), (16, 12608030), (20, 10086424), (32, 6304015), (40, 5043212), (43, 4691360), (80, 2521606), (86, 2345680), (109, 1850720), (160, 1260803), (172, 1172840), (215, 938272), (218, 925360), (269, 749920), (344, 586420), (430, 469136), (436, 462680), (538, 374960), (545, 370144), (688, 293210), (860, 234568), (872, 231340), (1076, 187480), (1090, 185072), (1345, 149984), (1376, 146605), (1720, 117284), (1744, 115670), (2152, 93740), (2180, 92536), (2690, 74992), (3440, 58642), (3488, 57835), (4304, 46870), (4360, 46268), (4687, 43040), (5380, 37496), (6880, 29321), (8608, 23435), (8720, 23134), (9374, 21520), (10760, 18748), (11567, 17440)]