15122320

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 35321400

約数和(自身を除く): 20199080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 449, 842, 898, 1684, 1796, 2105, 2245, 3368, 3592, 4210, 4490, 6736, 7184, 8420, 8980, 16840, 17960, 33680, 35920, 189029, 378058, 756116, 945145, 1512232, 1890290, 3024464, 3780580, 7561160, 15122320]

約数ペア:

[(1, 15122320), (2, 7561160), (4, 3780580), (5, 3024464), (8, 1890290), (10, 1512232), (16, 945145), (20, 756116), (40, 378058), (80, 189029), (421, 35920), (449, 33680), (842, 17960), (898, 16840), (1684, 8980), (1796, 8420), (2105, 7184), (2245, 6736), (3368, 4490), (3592, 4210)]