68307680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:952

約数の個数: 96

約数和(自身を含む): 187246080

約数和(自身を除く): 118938400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 859, 994, 1120, 1136, 1420, 1718, 1988, 2272, 2485, 2840, 3436, 3976, 4295, 4970, 5680, 6013, 6872, 7952, 8590, 9940, 11360, 12026, 13744, 15904, 17180, 19880, 24052, 27488, 30065, 34360, 39760, 48104, 60130, 60989, 68720, 79520, 96208, 120260, 121978, 137440, 192416, 240520, 243956, 304945, 426923, 481040, 487912, 609890, 853846, 962080, 975824, 1219780, 1707692, 1951648, 2134615, 2439560, 3415384, 4269230, 4879120, 6830768, 8538460, 9758240, 13661536, 17076920, 34153840, 68307680]

約数ペア:

[(1, 68307680), (2, 34153840), (4, 17076920), (5, 13661536), (7, 9758240), (8, 8538460), (10, 6830768), (14, 4879120), (16, 4269230), (20, 3415384), (28, 2439560), (32, 2134615), (35, 1951648), (40, 1707692), (56, 1219780), (70, 975824), (71, 962080), (80, 853846), (112, 609890), (140, 487912), (142, 481040), (160, 426923), (224, 304945), (280, 243956), (284, 240520), (355, 192416), (497, 137440), (560, 121978), (568, 120260), (710, 96208), (859, 79520), (994, 68720), (1120, 60989), (1136, 60130), (1420, 48104), (1718, 39760), (1988, 34360), (2272, 30065), (2485, 27488), (2840, 24052), (3436, 19880), (3976, 17180), (4295, 15904), (4970, 13744), (5680, 12026), (6013, 11360), (6872, 9940), (7952, 8590)]