12787980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{213133}}^1$

素因数の和:213145

約数の個数: 24

約数和(自身を含む): 35806512

約数和(自身を除く): 23018532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 213133, 426266, 639399, 852532, 1065665, 1278798, 2131330, 2557596, 3196995, 4262660, 6393990, 12787980]

約数ペア:

[(1, 12787980), (2, 6393990), (3, 4262660), (4, 3196995), (5, 2557596), (6, 2131330), (10, 1278798), (12, 1065665), (15, 852532), (20, 639399), (30, 426266), (60, 213133)]