81071940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1351199}}^1$

素因数の和:1351211

約数の個数: 24

約数和(自身を含む): 227001600

約数和(自身を除く): 145929660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1351199, 2702398, 4053597, 5404796, 6755995, 8107194, 13511990, 16214388, 20267985, 27023980, 40535970, 81071940]

約数ペア:

[(1, 81071940), (2, 40535970), (3, 27023980), (4, 20267985), (5, 16214388), (6, 13511990), (10, 8107194), (12, 6755995), (15, 5404796), (20, 4053597), (30, 2702398), (60, 1351199)]