15831100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 36560160

約数和(自身を除く): 20729060

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 103, 106, 116, 145, 206, 212, 265, 290, 412, 515, 530, 580, 725, 1030, 1060, 1325, 1450, 1537, 2060, 2575, 2650, 2900, 2987, 3074, 5150, 5300, 5459, 5974, 6148, 7685, 10300, 10918, 11948, 14935, 15370, 21836, 27295, 29870, 30740, 38425, 54590, 59740, 74675, 76850, 109180, 136475, 149350, 153700, 158311, 272950, 298700, 316622, 545900, 633244, 791555, 1583110, 3166220, 3957775, 7915550, 15831100]

約数ペア:

[(1, 15831100), (2, 7915550), (4, 3957775), (5, 3166220), (10, 1583110), (20, 791555), (25, 633244), (29, 545900), (50, 316622), (53, 298700), (58, 272950), (100, 158311), (103, 153700), (106, 149350), (116, 136475), (145, 109180), (206, 76850), (212, 74675), (265, 59740), (290, 54590), (412, 38425), (515, 30740), (530, 29870), (580, 27295), (725, 21836), (1030, 15370), (1060, 14935), (1325, 11948), (1450, 10918), (1537, 10300), (2060, 7685), (2575, 6148), (2650, 5974), (2900, 5459), (2987, 5300), (3074, 5150)]