68877840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1487}}^1$

素因数の和:1696

約数の個数: 80

約数和(自身を含む): 214771968

約数和(自身を除く): 145894128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 579, 772, 965, 1158, 1487, 1544, 1930, 2316, 2895, 2974, 3088, 3860, 4461, 4632, 5790, 5948, 7435, 7720, 8922, 9264, 11580, 11896, 14870, 15440, 17844, 22305, 23160, 23792, 29740, 35688, 44610, 46320, 59480, 71376, 89220, 118960, 178440, 286991, 356880, 573982, 860973, 1147964, 1434955, 1721946, 2295928, 2869910, 3443892, 4304865, 4591856, 5739820, 6887784, 8609730, 11479640, 13775568, 17219460, 22959280, 34438920, 68877840]

約数ペア:

[(1, 68877840), (2, 34438920), (3, 22959280), (4, 17219460), (5, 13775568), (6, 11479640), (8, 8609730), (10, 6887784), (12, 5739820), (15, 4591856), (16, 4304865), (20, 3443892), (24, 2869910), (30, 2295928), (40, 1721946), (48, 1434955), (60, 1147964), (80, 860973), (120, 573982), (193, 356880), (240, 286991), (386, 178440), (579, 118960), (772, 89220), (965, 71376), (1158, 59480), (1487, 46320), (1544, 44610), (1930, 35688), (2316, 29740), (2895, 23792), (2974, 23160), (3088, 22305), (3860, 17844), (4461, 15440), (4632, 14870), (5790, 11896), (5948, 11580), (7435, 9264), (7720, 8922)]