56339920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 164989440

約数和(自身を除く): 108649520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 109, 112, 130, 140, 142, 182, 208, 218, 260, 280, 284, 355, 364, 436, 455, 497, 520, 545, 560, 568, 710, 728, 763, 872, 910, 923, 994, 1040, 1090, 1136, 1417, 1420, 1456, 1526, 1744, 1820, 1846, 1988, 2180, 2485, 2834, 2840, 3052, 3640, 3692, 3815, 3976, 4360, 4615, 4970, 5668, 5680, 6104, 6461, 7085, 7280, 7384, 7630, 7739, 7952, 8720, 9230, 9919, 9940, 11336, 12208, 12922, 14170, 14768, 15260, 15478, 18460, 19838, 19880, 22672, 25844, 28340, 30520, 30956, 32305, 36920, 38695, 39676, 39760, 49595, 51688, 54173, 56680, 61040, 61912, 64610, 73840, 77390, 79352, 99190, 100607, 103376, 108346, 113360, 123824, 129220, 154780, 158704, 198380, 201214, 216692, 258440, 270865, 309560, 396760, 402428, 433384, 503035, 516880, 541730, 619120, 704249, 793520, 804856, 866768, 1006070, 1083460, 1408498, 1609712, 2012140, 2166920, 2816996, 3521245, 4024280, 4333840, 5633992, 7042490, 8048560, 11267984, 14084980, 28169960, 56339920]

約数ペア:

[(1, 56339920), (2, 28169960), (4, 14084980), (5, 11267984), (7, 8048560), (8, 7042490), (10, 5633992), (13, 4333840), (14, 4024280), (16, 3521245), (20, 2816996), (26, 2166920), (28, 2012140), (35, 1609712), (40, 1408498), (52, 1083460), (56, 1006070), (65, 866768), (70, 804856), (71, 793520), (80, 704249), (91, 619120), (104, 541730), (109, 516880), (112, 503035), (130, 433384), (140, 402428), (142, 396760), (182, 309560), (208, 270865), (218, 258440), (260, 216692), (280, 201214), (284, 198380), (355, 158704), (364, 154780), (436, 129220), (455, 123824), (497, 113360), (520, 108346), (545, 103376), (560, 100607), (568, 99190), (710, 79352), (728, 77390), (763, 73840), (872, 64610), (910, 61912), (923, 61040), (994, 56680), (1040, 54173), (1090, 51688), (1136, 49595), (1417, 39760), (1420, 39676), (1456, 38695), (1526, 36920), (1744, 32305), (1820, 30956), (1846, 30520), (1988, 28340), (2180, 25844), (2485, 22672), (2834, 19880), (2840, 19838), (3052, 18460), (3640, 15478), (3692, 15260), (3815, 14768), (3976, 14170), (4360, 12922), (4615, 12208), (4970, 11336), (5668, 9940), (5680, 9919), (6104, 9230), (6461, 8720), (7085, 7952), (7280, 7739), (7384, 7630)]