81592020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453289}}^1$

素因数の和:453304

約数の個数: 36

約数和(自身を含む): 247496340

約数和(自身を除く): 165904320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453289, 906578, 1359867, 1813156, 2266445, 2719734, 4079601, 4532890, 5439468, 6799335, 8159202, 9065780, 13598670, 16318404, 20398005, 27197340, 40796010, 81592020]

約数ペア:

[(1, 81592020), (2, 40796010), (3, 27197340), (4, 20398005), (5, 16318404), (6, 13598670), (9, 9065780), (10, 8159202), (12, 6799335), (15, 5439468), (18, 4532890), (20, 4079601), (30, 2719734), (36, 2266445), (45, 1813156), (60, 1359867), (90, 906578), (180, 453289)]