15012860

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1783}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 31619616

約数和(自身を除く): 16606756

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 1783, 2105, 3566, 4210, 7132, 8420, 8915, 17830, 35660, 750643, 1501286, 3002572, 3753215, 7506430, 15012860]

約数ペア:

[(1, 15012860), (2, 7506430), (4, 3753215), (5, 3002572), (10, 1501286), (20, 750643), (421, 35660), (842, 17830), (1684, 8915), (1783, 8420), (2105, 7132), (3566, 4210)]