56784640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 153790560

約数和(自身を除く): 97005920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 109, 110, 128, 148, 160, 176, 185, 218, 220, 256, 296, 320, 352, 370, 407, 436, 440, 545, 592, 640, 704, 740, 814, 872, 880, 1090, 1184, 1199, 1280, 1408, 1480, 1628, 1744, 1760, 2035, 2180, 2368, 2398, 2816, 2960, 3256, 3488, 3520, 4033, 4070, 4360, 4736, 4796, 5920, 5995, 6512, 6976, 7040, 8066, 8140, 8720, 9472, 9592, 11840, 11990, 13024, 13952, 14080, 16132, 16280, 17440, 19184, 20165, 23680, 23980, 26048, 27904, 32264, 32560, 34880, 38368, 40330, 44363, 47360, 47960, 52096, 64528, 65120, 69760, 76736, 80660, 88726, 95920, 104192, 129056, 130240, 139520, 153472, 161320, 177452, 191840, 221815, 258112, 260480, 306944, 322640, 354904, 383680, 443630, 516224, 520960, 645280, 709808, 767360, 887260, 1032448, 1290560, 1419616, 1534720, 1774520, 2581120, 2839232, 3549040, 5162240, 5678464, 7098080, 11356928, 14196160, 28392320, 56784640]

約数ペア:

[(1, 56784640), (2, 28392320), (4, 14196160), (5, 11356928), (8, 7098080), (10, 5678464), (11, 5162240), (16, 3549040), (20, 2839232), (22, 2581120), (32, 1774520), (37, 1534720), (40, 1419616), (44, 1290560), (55, 1032448), (64, 887260), (74, 767360), (80, 709808), (88, 645280), (109, 520960), (110, 516224), (128, 443630), (148, 383680), (160, 354904), (176, 322640), (185, 306944), (218, 260480), (220, 258112), (256, 221815), (296, 191840), (320, 177452), (352, 161320), (370, 153472), (407, 139520), (436, 130240), (440, 129056), (545, 104192), (592, 95920), (640, 88726), (704, 80660), (740, 76736), (814, 69760), (872, 65120), (880, 64528), (1090, 52096), (1184, 47960), (1199, 47360), (1280, 44363), (1408, 40330), (1480, 38368), (1628, 34880), (1744, 32560), (1760, 32264), (2035, 27904), (2180, 26048), (2368, 23980), (2398, 23680), (2816, 20165), (2960, 19184), (3256, 17440), (3488, 16280), (3520, 16132), (4033, 14080), (4070, 13952), (4360, 13024), (4736, 11990), (4796, 11840), (5920, 9592), (5995, 9472), (6512, 8720), (6976, 8140), (7040, 8066)]