81660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1361}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 228816

約数和(自身を除く): 147156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1361, 2722, 4083, 5444, 6805, 8166, 13610, 16332, 20415, 27220, 40830, 81660]

約数ペア:

[(1, 81660), (2, 40830), (3, 27220), (4, 20415), (5, 16332), (6, 13610), (10, 8166), (12, 6805), (15, 5444), (20, 4083), (30, 2722), (60, 1361)]