64718720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 175154400

約数和(自身を除く): 110435680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 220, 232, 290, 317, 319, 320, 352, 440, 464, 580, 634, 638, 640, 704, 880, 928, 1160, 1268, 1276, 1408, 1585, 1595, 1760, 1856, 2320, 2536, 2552, 3170, 3190, 3487, 3520, 3712, 4640, 5072, 5104, 6340, 6380, 6974, 7040, 9193, 9280, 10144, 10208, 12680, 12760, 13948, 17435, 18386, 18560, 20288, 20416, 25360, 25520, 27896, 34870, 36772, 40576, 40832, 45965, 50720, 51040, 55792, 69740, 73544, 91930, 101123, 101440, 102080, 111584, 139480, 147088, 183860, 202246, 202880, 204160, 223168, 278960, 294176, 367720, 404492, 446336, 505615, 557920, 588352, 735440, 808984, 1011230, 1115840, 1176704, 1470880, 1617968, 2022460, 2231680, 2941760, 3235936, 4044920, 5883520, 6471872, 8089840, 12943744, 16179680, 32359360, 64718720]

約数ペア:

[(1, 64718720), (2, 32359360), (4, 16179680), (5, 12943744), (8, 8089840), (10, 6471872), (11, 5883520), (16, 4044920), (20, 3235936), (22, 2941760), (29, 2231680), (32, 2022460), (40, 1617968), (44, 1470880), (55, 1176704), (58, 1115840), (64, 1011230), (80, 808984), (88, 735440), (110, 588352), (116, 557920), (128, 505615), (145, 446336), (160, 404492), (176, 367720), (220, 294176), (232, 278960), (290, 223168), (317, 204160), (319, 202880), (320, 202246), (352, 183860), (440, 147088), (464, 139480), (580, 111584), (634, 102080), (638, 101440), (640, 101123), (704, 91930), (880, 73544), (928, 69740), (1160, 55792), (1268, 51040), (1276, 50720), (1408, 45965), (1585, 40832), (1595, 40576), (1760, 36772), (1856, 34870), (2320, 27896), (2536, 25520), (2552, 25360), (3170, 20416), (3190, 20288), (3487, 18560), (3520, 18386), (3712, 17435), (4640, 13948), (5072, 12760), (5104, 12680), (6340, 10208), (6380, 10144), (6974, 9280), (7040, 9193)]