81401340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1356689}}^1$

素因数の和:1356701

約数の個数: 24

約数和(自身を含む): 227923920

約数和(自身を除く): 146522580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1356689, 2713378, 4070067, 5426756, 6783445, 8140134, 13566890, 16280268, 20350335, 27133780, 40700670, 81401340]

約数ペア:

[(1, 81401340), (2, 40700670), (3, 27133780), (4, 20350335), (5, 16280268), (6, 13566890), (10, 8140134), (12, 6783445), (15, 5426756), (20, 4070067), (30, 2713378), (60, 1356689)]