15401940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256699}}^1$

素因数の和:256711

約数の個数: 24

約数和(自身を含む): 43125600

約数和(自身を除く): 27723660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256699, 513398, 770097, 1026796, 1283495, 1540194, 2566990, 3080388, 3850485, 5133980, 7700970, 15401940]

約数ペア:

[(1, 15401940), (2, 7700970), (3, 5133980), (4, 3850485), (5, 3080388), (6, 2566990), (10, 1540194), (12, 1283495), (15, 1026796), (20, 770097), (30, 513398), (60, 256699)]