1439280

素因数分解:

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

素因数の和:2018

約数の個数: 60

約数和(自身を含む): 4836000

約数和(自身を除く): 3396720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 17991, 19990, 23988, 29985, 31984, 35982, 39980, 47976, 59970, 71964, 79960, 89955, 95952, 119940, 143928, 159920, 179910, 239880, 287856, 359820, 479760, 719640, 1439280]

約数ペア:

[(1, 1439280), (2, 719640), (3, 479760), (4, 359820), (5, 287856), (6, 239880), (8, 179910), (9, 159920), (10, 143928), (12, 119940), (15, 95952), (16, 89955), (18, 79960), (20, 71964), (24, 59970), (30, 47976), (36, 39980), (40, 35982), (45, 31984), (48, 29985), (60, 23988), (72, 19990), (80, 17991), (90, 15992), (120, 11994), (144, 9995), (180, 7996), (240, 5997), (360, 3998), (720, 1999)]