67651640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 182891520

約数和(自身を除く): 115239880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 71, 82, 83, 140, 142, 164, 166, 205, 280, 284, 287, 328, 332, 355, 410, 415, 497, 568, 574, 581, 664, 710, 820, 830, 994, 1148, 1162, 1420, 1435, 1640, 1660, 1988, 2296, 2324, 2485, 2840, 2870, 2905, 2911, 3320, 3403, 3976, 4648, 4970, 5740, 5810, 5822, 5893, 6806, 9940, 11480, 11620, 11644, 11786, 13612, 14555, 17015, 19880, 20377, 23240, 23288, 23572, 23821, 27224, 29110, 29465, 34030, 40754, 41251, 47144, 47642, 58220, 58930, 68060, 81508, 82502, 95284, 101885, 116440, 117860, 119105, 136120, 163016, 165004, 190568, 203770, 206255, 235720, 238210, 241613, 330008, 407540, 412510, 476420, 483226, 815080, 825020, 952840, 966452, 1208065, 1650040, 1691291, 1932904, 2416130, 3382582, 4832260, 6765164, 8456455, 9664520, 13530328, 16912910, 33825820, 67651640]

約数ペア:

[(1, 67651640), (2, 33825820), (4, 16912910), (5, 13530328), (7, 9664520), (8, 8456455), (10, 6765164), (14, 4832260), (20, 3382582), (28, 2416130), (35, 1932904), (40, 1691291), (41, 1650040), (56, 1208065), (70, 966452), (71, 952840), (82, 825020), (83, 815080), (140, 483226), (142, 476420), (164, 412510), (166, 407540), (205, 330008), (280, 241613), (284, 238210), (287, 235720), (328, 206255), (332, 203770), (355, 190568), (410, 165004), (415, 163016), (497, 136120), (568, 119105), (574, 117860), (581, 116440), (664, 101885), (710, 95284), (820, 82502), (830, 81508), (994, 68060), (1148, 58930), (1162, 58220), (1420, 47642), (1435, 47144), (1640, 41251), (1660, 40754), (1988, 34030), (2296, 29465), (2324, 29110), (2485, 27224), (2840, 23821), (2870, 23572), (2905, 23288), (2911, 23240), (3320, 20377), (3403, 19880), (3976, 17015), (4648, 14555), (4970, 13612), (5740, 11786), (5810, 11644), (5822, 11620), (5893, 11480), (6806, 9940)]