81965580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1366093}}^1$

素因数の和:1366105

約数の個数: 24

約数和(自身を含む): 229503792

約数和(自身を除く): 147538212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1366093, 2732186, 4098279, 5464372, 6830465, 8196558, 13660930, 16393116, 20491395, 27321860, 40982790, 81965580]

約数ペア:

[(1, 81965580), (2, 40982790), (3, 27321860), (4, 20491395), (5, 16393116), (6, 13660930), (10, 8196558), (12, 6830465), (15, 5464372), (20, 4098279), (30, 2732186), (60, 1366093)]