80139660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1335661}}^1$

素因数の和:1335673

約数の個数: 24

約数和(自身を含む): 224391216

約数和(自身を除く): 144251556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1335661, 2671322, 4006983, 5342644, 6678305, 8013966, 13356610, 16027932, 20034915, 26713220, 40069830, 80139660]

約数ペア:

[(1, 80139660), (2, 40069830), (3, 26713220), (4, 20034915), (5, 16027932), (6, 13356610), (10, 8013966), (12, 6678305), (15, 5342644), (20, 4006983), (30, 2671322), (60, 1335661)]