31615760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 82441152

約数和(自身を除く): 50825392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 971, 1480, 1628, 1942, 2035, 2960, 3256, 3884, 4070, 4855, 6512, 7768, 8140, 9710, 10681, 15536, 16280, 19420, 21362, 32560, 35927, 38840, 42724, 53405, 71854, 77680, 85448, 106810, 143708, 170896, 179635, 213620, 287416, 359270, 395197, 427240, 574832, 718540, 790394, 854480, 1437080, 1580788, 1975985, 2874160, 3161576, 3951970, 6323152, 7903940, 15807880, 31615760]

約数ペア:

[(1, 31615760), (2, 15807880), (4, 7903940), (5, 6323152), (8, 3951970), (10, 3161576), (11, 2874160), (16, 1975985), (20, 1580788), (22, 1437080), (37, 854480), (40, 790394), (44, 718540), (55, 574832), (74, 427240), (80, 395197), (88, 359270), (110, 287416), (148, 213620), (176, 179635), (185, 170896), (220, 143708), (296, 106810), (370, 85448), (407, 77680), (440, 71854), (592, 53405), (740, 42724), (814, 38840), (880, 35927), (971, 32560), (1480, 21362), (1628, 19420), (1942, 16280), (2035, 15536), (2960, 10681), (3256, 9710), (3884, 8140), (4070, 7768), (4855, 6512)]