12387780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{68821}}^1$

素因数の和:68836

約数の個数: 36

約数和(自身を含む): 37576812

約数和(自身を除く): 25189032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 68821, 137642, 206463, 275284, 344105, 412926, 619389, 688210, 825852, 1032315, 1238778, 1376420, 2064630, 2477556, 3096945, 4129260, 6193890, 12387780]

約数ペア:

[(1, 12387780), (2, 6193890), (3, 4129260), (4, 3096945), (5, 2477556), (6, 2064630), (9, 1376420), (10, 1238778), (12, 1032315), (15, 825852), (18, 688210), (20, 619389), (30, 412926), (36, 344105), (45, 275284), (60, 206463), (90, 137642), (180, 68821)]