7916040

素因数分解:

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

素因数の和:2027

約数の個数: 96

約数和(自身を含む): 28080000

約数和(自身を除く): 20163960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 1999, 3960, 3998, 5997, 7996, 9995, 11994, 15992, 17991, 19990, 21989, 23988, 29985, 35982, 39980, 43978, 47976, 59970, 65967, 71964, 79960, 87956, 89955, 109945, 119940, 131934, 143928, 175912, 179910, 197901, 219890, 239880, 263868, 329835, 359820, 395802, 439780, 527736, 659670, 719640, 791604, 879560, 989505, 1319340, 1583208, 1979010, 2638680, 3958020, 7916040]

約数ペア:

[(1, 7916040), (2, 3958020), (3, 2638680), (4, 1979010), (5, 1583208), (6, 1319340), (8, 989505), (9, 879560), (10, 791604), (11, 719640), (12, 659670), (15, 527736), (18, 439780), (20, 395802), (22, 359820), (24, 329835), (30, 263868), (33, 239880), (36, 219890), (40, 197901), (44, 179910), (45, 175912), (55, 143928), (60, 131934), (66, 119940), (72, 109945), (88, 89955), (90, 87956), (99, 79960), (110, 71964), (120, 65967), (132, 59970), (165, 47976), (180, 43978), (198, 39980), (220, 35982), (264, 29985), (330, 23988), (360, 21989), (396, 19990), (440, 17991), (495, 15992), (660, 11994), (792, 9995), (990, 7996), (1320, 5997), (1980, 3998), (1999, 3960)]