51461080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 135432000

約数和(自身を除く): 83970920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 109, 110, 116, 145, 148, 185, 218, 220, 232, 290, 296, 319, 370, 407, 436, 440, 545, 580, 638, 740, 814, 872, 1073, 1090, 1160, 1199, 1276, 1480, 1595, 1628, 2035, 2146, 2180, 2398, 2552, 3161, 3190, 3256, 4033, 4070, 4292, 4360, 4796, 5365, 5995, 6322, 6380, 8066, 8140, 8584, 9592, 10730, 11803, 11990, 12644, 12760, 15805, 16132, 16280, 20165, 21460, 23606, 23980, 25288, 31610, 32264, 34771, 40330, 42920, 44363, 47212, 47960, 59015, 63220, 69542, 80660, 88726, 94424, 116957, 118030, 126440, 139084, 161320, 173855, 177452, 221815, 233914, 236060, 278168, 347710, 354904, 443630, 467828, 472120, 584785, 695420, 887260, 935656, 1169570, 1286527, 1390840, 1774520, 2339140, 2573054, 4678280, 5146108, 6432635, 10292216, 12865270, 25730540, 51461080]

約数ペア:

[(1, 51461080), (2, 25730540), (4, 12865270), (5, 10292216), (8, 6432635), (10, 5146108), (11, 4678280), (20, 2573054), (22, 2339140), (29, 1774520), (37, 1390840), (40, 1286527), (44, 1169570), (55, 935656), (58, 887260), (74, 695420), (88, 584785), (109, 472120), (110, 467828), (116, 443630), (145, 354904), (148, 347710), (185, 278168), (218, 236060), (220, 233914), (232, 221815), (290, 177452), (296, 173855), (319, 161320), (370, 139084), (407, 126440), (436, 118030), (440, 116957), (545, 94424), (580, 88726), (638, 80660), (740, 69542), (814, 63220), (872, 59015), (1073, 47960), (1090, 47212), (1160, 44363), (1199, 42920), (1276, 40330), (1480, 34771), (1595, 32264), (1628, 31610), (2035, 25288), (2146, 23980), (2180, 23606), (2398, 21460), (2552, 20165), (3161, 16280), (3190, 16132), (3256, 15805), (4033, 12760), (4070, 12644), (4292, 11990), (4360, 11803), (4796, 10730), (5365, 9592), (5995, 8584), (6322, 8140), (6380, 8066)]