2399640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19997}}^1$

素因数の和:20011

約数の個数: 32

約数和(自身を含む): 7199280

約数和(自身を除く): 4799640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 19997, 39994, 59991, 79988, 99985, 119982, 159976, 199970, 239964, 299955, 399940, 479928, 599910, 799880, 1199820, 2399640]

約数ペア:

[(1, 2399640), (2, 1199820), (3, 799880), (4, 599910), (5, 479928), (6, 399940), (8, 299955), (10, 239964), (12, 199970), (15, 159976), (20, 119982), (24, 99985), (30, 79988), (40, 59991), (60, 39994), (120, 19997)]