31781040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{132421}}^1$

素因数の和:132437

約数の個数: 40

約数和(自身を含む): 98521968

約数和(自身を除く): 66740928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 132421, 264842, 397263, 529684, 662105, 794526, 1059368, 1324210, 1589052, 1986315, 2118736, 2648420, 3178104, 3972630, 5296840, 6356208, 7945260, 10593680, 15890520, 31781040]

約数ペア:

[(1, 31781040), (2, 15890520), (3, 10593680), (4, 7945260), (5, 6356208), (6, 5296840), (8, 3972630), (10, 3178104), (12, 2648420), (15, 2118736), (16, 1986315), (20, 1589052), (24, 1324210), (30, 1059368), (40, 794526), (48, 662105), (60, 529684), (80, 397263), (120, 264842), (240, 132421)]