479760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 1488000

約数和(自身を除く): 1008240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 31984, 39980, 47976, 59970, 79960, 95952, 119940, 159920, 239880, 479760]

約数ペア:

[(1, 479760), (2, 239880), (3, 159920), (4, 119940), (5, 95952), (6, 79960), (8, 59970), (10, 47976), (12, 39980), (15, 31984), (16, 29985), (20, 23988), (24, 19990), (30, 15992), (40, 11994), (48, 9995), (60, 7996), (80, 5997), (120, 3998), (240, 1999)]