15880400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 40563810

約数和(自身を除く): 24683410

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 37, 40, 50, 58, 74, 80, 100, 116, 145, 148, 185, 200, 232, 290, 296, 370, 400, 464, 580, 592, 725, 740, 925, 1073, 1160, 1369, 1450, 1480, 1850, 2146, 2320, 2738, 2900, 2960, 3700, 4292, 5365, 5476, 5800, 6845, 7400, 8584, 10730, 10952, 11600, 13690, 14800, 17168, 21460, 21904, 26825, 27380, 34225, 39701, 42920, 53650, 54760, 68450, 79402, 85840, 107300, 109520, 136900, 158804, 198505, 214600, 273800, 317608, 397010, 429200, 547600, 635216, 794020, 992525, 1588040, 1985050, 3176080, 3970100, 7940200, 15880400]

約数ペア:

[(1, 15880400), (2, 7940200), (4, 3970100), (5, 3176080), (8, 1985050), (10, 1588040), (16, 992525), (20, 794020), (25, 635216), (29, 547600), (37, 429200), (40, 397010), (50, 317608), (58, 273800), (74, 214600), (80, 198505), (100, 158804), (116, 136900), (145, 109520), (148, 107300), (185, 85840), (200, 79402), (232, 68450), (290, 54760), (296, 53650), (370, 42920), (400, 39701), (464, 34225), (580, 27380), (592, 26825), (725, 21904), (740, 21460), (925, 17168), (1073, 14800), (1160, 13690), (1369, 11600), (1450, 10952), (1480, 10730), (1850, 8584), (2146, 7400), (2320, 6845), (2738, 5800), (2900, 5476), (2960, 5365), (3700, 4292)]