131866320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{549443}}^1$

素因数の和:549459

約数の個数: 40

約数和(自身を含む): 408786336

約数和(自身を除く): 276920016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 549443, 1098886, 1648329, 2197772, 2747215, 3296658, 4395544, 5494430, 6593316, 8241645, 8791088, 10988860, 13186632, 16483290, 21977720, 26373264, 32966580, 43955440, 65933160, 131866320]

約数ペア:

[(1, 131866320), (2, 65933160), (3, 43955440), (4, 32966580), (5, 26373264), (6, 21977720), (8, 16483290), (10, 13186632), (12, 10988860), (15, 8791088), (16, 8241645), (20, 6593316), (24, 5494430), (30, 4395544), (40, 3296658), (48, 2747215), (60, 2197772), (80, 1648329), (120, 1098886), (240, 549443)]