239880

素因数分解:

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

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 720000

約数和(自身を除く): 480120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 39980, 47976, 59970, 79960, 119940, 239880]

約数ペア:

[(1, 239880), (2, 119940), (3, 79960), (4, 59970), (5, 47976), (6, 39980), (8, 29985), (10, 23988), (12, 19990), (15, 15992), (20, 11994), (24, 9995), (30, 7996), (40, 5997), (60, 3998), (120, 1999)]