81007980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350133}}^1$

素因数の和:1350145

約数の個数: 24

約数和(自身を含む): 226822512

約数和(自身を除く): 145814532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350133, 2700266, 4050399, 5400532, 6750665, 8100798, 13501330, 16201596, 20251995, 27002660, 40503990, 81007980]

約数ペア:

[(1, 81007980), (2, 40503990), (3, 27002660), (4, 20251995), (5, 16201596), (6, 13501330), (10, 8100798), (12, 6750665), (15, 5400532), (20, 4050399), (30, 2700266), (60, 1350133)]