15691270120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{60659}}^1$

素因数の和:60922

約数の個数: 64

約数和(自身を含む): 36687168000

約数和(自身を除く): 20995897880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 223, 232, 290, 446, 580, 892, 1115, 1160, 1784, 2230, 4460, 6467, 8920, 12934, 25868, 32335, 51736, 60659, 64670, 121318, 129340, 242636, 258680, 303295, 485272, 606590, 1213180, 1759111, 2426360, 3518222, 7036444, 8795555, 13526957, 14072888, 17591110, 27053914, 35182220, 54107828, 67634785, 70364440, 108215656, 135269570, 270539140, 392281753, 541078280, 784563506, 1569127012, 1961408765, 3138254024, 3922817530, 7845635060, 15691270120]

約数ペア:

[(1, 15691270120), (2, 7845635060), (4, 3922817530), (5, 3138254024), (8, 1961408765), (10, 1569127012), (20, 784563506), (29, 541078280), (40, 392281753), (58, 270539140), (116, 135269570), (145, 108215656), (223, 70364440), (232, 67634785), (290, 54107828), (446, 35182220), (580, 27053914), (892, 17591110), (1115, 14072888), (1160, 13526957), (1784, 8795555), (2230, 7036444), (4460, 3518222), (6467, 2426360), (8920, 1759111), (12934, 1213180), (25868, 606590), (32335, 485272), (51736, 303295), (60659, 258680), (64670, 242636), (121318, 129340)]