30815090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71663}}^1$

素因数の和:71713

約数の個数: 16

約数和(自身を含む): 56757888

約数和(自身を除く): 25942798

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 71663, 143326, 358315, 716630, 3081509, 6163018, 15407545, 30815090]

約数ペア:

[(1, 30815090), (2, 15407545), (5, 6163018), (10, 3081509), (43, 716630), (86, 358315), (215, 143326), (430, 71663)]