2638680

素因数分解:

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

素因数の和:2024

約数の個数: 64

約数和(自身を含む): 8640000

約数和(自身を除く): 6001320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 21989, 23988, 29985, 39980, 43978, 47976, 59970, 65967, 79960, 87956, 109945, 119940, 131934, 175912, 219890, 239880, 263868, 329835, 439780, 527736, 659670, 879560, 1319340, 2638680]

約数ペア:

[(1, 2638680), (2, 1319340), (3, 879560), (4, 659670), (5, 527736), (6, 439780), (8, 329835), (10, 263868), (11, 239880), (12, 219890), (15, 175912), (20, 131934), (22, 119940), (24, 109945), (30, 87956), (33, 79960), (40, 65967), (44, 59970), (55, 47976), (60, 43978), (66, 39980), (88, 29985), (110, 23988), (120, 21989), (132, 19990), (165, 15992), (220, 11994), (264, 9995), (330, 7996), (440, 5997), (660, 3998), (1320, 1999)]