123919920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1707

約数の個数: 120

約数和(自身を含む): 420248400

約数和(自身を除く): 296328480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1579, 1635, 1744, 1962, 2180, 2616, 3158, 3270, 3924, 4360, 4737, 4905, 5232, 6316, 6540, 7848, 7895, 8720, 9474, 9810, 12632, 13080, 14211, 15696, 15790, 18948, 19620, 23685, 25264, 26160, 28422, 31580, 37896, 39240, 47370, 56844, 63160, 71055, 75792, 78480, 94740, 113688, 126320, 142110, 172111, 189480, 227376, 284220, 344222, 378960, 516333, 568440, 688444, 860555, 1032666, 1136880, 1376888, 1548999, 1721110, 2065332, 2581665, 2753776, 3097998, 3442220, 4130664, 5163330, 6195996, 6884440, 7744995, 8261328, 10326660, 12391992, 13768880, 15489990, 20653320, 24783984, 30979980, 41306640, 61959960, 123919920]

約数ペア:

[(1, 123919920), (2, 61959960), (3, 41306640), (4, 30979980), (5, 24783984), (6, 20653320), (8, 15489990), (9, 13768880), (10, 12391992), (12, 10326660), (15, 8261328), (16, 7744995), (18, 6884440), (20, 6195996), (24, 5163330), (30, 4130664), (36, 3442220), (40, 3097998), (45, 2753776), (48, 2581665), (60, 2065332), (72, 1721110), (80, 1548999), (90, 1376888), (109, 1136880), (120, 1032666), (144, 860555), (180, 688444), (218, 568440), (240, 516333), (327, 378960), (360, 344222), (436, 284220), (545, 227376), (654, 189480), (720, 172111), (872, 142110), (981, 126320), (1090, 113688), (1308, 94740), (1579, 78480), (1635, 75792), (1744, 71055), (1962, 63160), (2180, 56844), (2616, 47370), (3158, 39240), (3270, 37896), (3924, 31580), (4360, 28422), (4737, 26160), (4905, 25264), (5232, 23685), (6316, 19620), (6540, 18948), (7848, 15790), (7895, 15696), (8720, 14211), (9474, 13080), (9810, 12632)]