64132880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1704

約数の個数: 80

約数和(自身を含む): 172917504

約数和(自身を除く): 108784624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1613, 1988, 2485, 2840, 3226, 3976, 4970, 5680, 6452, 7952, 8065, 9940, 11291, 12904, 16130, 19880, 22582, 25808, 32260, 39760, 45164, 56455, 64520, 90328, 112910, 114523, 129040, 180656, 225820, 229046, 451640, 458092, 572615, 801661, 903280, 916184, 1145230, 1603322, 1832368, 2290460, 3206644, 4008305, 4580920, 6413288, 8016610, 9161840, 12826576, 16033220, 32066440, 64132880]

約数ペア:

[(1, 64132880), (2, 32066440), (4, 16033220), (5, 12826576), (7, 9161840), (8, 8016610), (10, 6413288), (14, 4580920), (16, 4008305), (20, 3206644), (28, 2290460), (35, 1832368), (40, 1603322), (56, 1145230), (70, 916184), (71, 903280), (80, 801661), (112, 572615), (140, 458092), (142, 451640), (280, 229046), (284, 225820), (355, 180656), (497, 129040), (560, 114523), (568, 112910), (710, 90328), (994, 64520), (1136, 56455), (1420, 45164), (1613, 39760), (1988, 32260), (2485, 25808), (2840, 22582), (3226, 19880), (3976, 16130), (4970, 12904), (5680, 11291), (6452, 9940), (7952, 8065)]