129437440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 350995680

約数和(自身を除く): 221558240

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, 256, 290, 317, 319, 320, 352, 440, 464, 580, 634, 638, 640, 704, 880, 928, 1160, 1268, 1276, 1280, 1408, 1585, 1595, 1760, 1856, 2320, 2536, 2552, 2816, 3170, 3190, 3487, 3520, 3712, 4640, 5072, 5104, 6340, 6380, 6974, 7040, 7424, 9193, 9280, 10144, 10208, 12680, 12760, 13948, 14080, 17435, 18386, 18560, 20288, 20416, 25360, 25520, 27896, 34870, 36772, 37120, 40576, 40832, 45965, 50720, 51040, 55792, 69740, 73544, 81152, 81664, 91930, 101123, 101440, 102080, 111584, 139480, 147088, 183860, 202246, 202880, 204160, 223168, 278960, 294176, 367720, 404492, 405760, 408320, 446336, 505615, 557920, 588352, 735440, 808984, 892672, 1011230, 1115840, 1176704, 1470880, 1617968, 2022460, 2231680, 2353408, 2941760, 3235936, 4044920, 4463360, 5883520, 6471872, 8089840, 11767040, 12943744, 16179680, 25887488, 32359360, 64718720, 129437440]

約数ペア:

[(1, 129437440), (2, 64718720), (4, 32359360), (5, 25887488), (8, 16179680), (10, 12943744), (11, 11767040), (16, 8089840), (20, 6471872), (22, 5883520), (29, 4463360), (32, 4044920), (40, 3235936), (44, 2941760), (55, 2353408), (58, 2231680), (64, 2022460), (80, 1617968), (88, 1470880), (110, 1176704), (116, 1115840), (128, 1011230), (145, 892672), (160, 808984), (176, 735440), (220, 588352), (232, 557920), (256, 505615), (290, 446336), (317, 408320), (319, 405760), (320, 404492), (352, 367720), (440, 294176), (464, 278960), (580, 223168), (634, 204160), (638, 202880), (640, 202246), (704, 183860), (880, 147088), (928, 139480), (1160, 111584), (1268, 102080), (1276, 101440), (1280, 101123), (1408, 91930), (1585, 81664), (1595, 81152), (1760, 73544), (1856, 69740), (2320, 55792), (2536, 51040), (2552, 50720), (2816, 45965), (3170, 40832), (3190, 40576), (3487, 37120), (3520, 36772), (3712, 34870), (4640, 27896), (5072, 25520), (5104, 25360), (6340, 20416), (6380, 20288), (6974, 18560), (7040, 18386), (7424, 17435), (9193, 14080), (9280, 13948), (10144, 12760), (10208, 12680)]