31244370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1999}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 75168000

約数和(自身を除く): 43923630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1563, 1999, 2605, 3126, 3998, 5210, 5997, 7815, 9995, 11994, 15630, 19990, 29985, 59970, 1041479, 2082958, 3124437, 5207395, 6248874, 10414790, 15622185, 31244370]

約数ペア:

[(1, 31244370), (2, 15622185), (3, 10414790), (5, 6248874), (6, 5207395), (10, 3124437), (15, 2082958), (30, 1041479), (521, 59970), (1042, 29985), (1563, 19990), (1999, 15630), (2605, 11994), (3126, 9995), (3998, 7815), (5210, 5997)]