1319340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 4032000

約数和(自身を除く): 2712660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1999, 3998, 5997, 7996, 9995, 11994, 19990, 21989, 23988, 29985, 39980, 43978, 59970, 65967, 87956, 109945, 119940, 131934, 219890, 263868, 329835, 439780, 659670, 1319340]

約数ペア:

[(1, 1319340), (2, 659670), (3, 439780), (4, 329835), (5, 263868), (6, 219890), (10, 131934), (11, 119940), (12, 109945), (15, 87956), (20, 65967), (22, 59970), (30, 43978), (33, 39980), (44, 29985), (55, 23988), (60, 21989), (66, 19990), (110, 11994), (132, 9995), (165, 7996), (220, 5997), (330, 3998), (660, 1999)]