68187780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{378821}}^1$

素因数の和:378836

約数の個数: 36

約数和(自身を含む): 206836812

約数和(自身を除く): 138649032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 378821, 757642, 1136463, 1515284, 1894105, 2272926, 3409389, 3788210, 4545852, 5682315, 6818778, 7576420, 11364630, 13637556, 17046945, 22729260, 34093890, 68187780]

約数ペア:

[(1, 68187780), (2, 34093890), (3, 22729260), (4, 17046945), (5, 13637556), (6, 11364630), (9, 7576420), (10, 6818778), (12, 5682315), (15, 4545852), (18, 3788210), (20, 3409389), (30, 2272926), (36, 1894105), (45, 1515284), (60, 1136463), (90, 757642), (180, 378821)]