839640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{6997}}^1$

素因数の和:7011

約数の個数: 32

約数和(自身を含む): 2519280

約数和(自身を除く): 1679640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 6997, 13994, 20991, 27988, 34985, 41982, 55976, 69970, 83964, 104955, 139940, 167928, 209910, 279880, 419820, 839640]

約数ペア:

[(1, 839640), (2, 419820), (3, 279880), (4, 209910), (5, 167928), (6, 139940), (8, 104955), (10, 83964), (12, 69970), (15, 55976), (20, 41982), (24, 34985), (30, 27988), (40, 20991), (60, 13994), (120, 6997)]