15101920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 36656928

約数和(自身を除く): 21555008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2551, 2960, 5102, 5920, 10204, 12755, 20408, 25510, 40816, 51020, 81632, 94387, 102040, 188774, 204080, 377548, 408160, 471935, 755096, 943870, 1510192, 1887740, 3020384, 3775480, 7550960, 15101920]

約数ペア:

[(1, 15101920), (2, 7550960), (4, 3775480), (5, 3020384), (8, 1887740), (10, 1510192), (16, 943870), (20, 755096), (32, 471935), (37, 408160), (40, 377548), (74, 204080), (80, 188774), (148, 102040), (160, 94387), (185, 81632), (296, 51020), (370, 40816), (592, 25510), (740, 20408), (1184, 12755), (1480, 10204), (2551, 5920), (2960, 5102)]