253313280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2037

約数の個数: 216

約数和(自身を含む): 956592000

約数和(自身を除く): 703278720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 1999, 2112, 2304, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 3998, 4224, 5280, 5760, 5997, 6336, 7040, 7920, 7996, 8448, 9995, 10560, 11520, 11994, 12672, 14080, 15840, 15992, 17991, 19990, 21120, 21989, 23988, 25344, 29985, 31680, 31984, 35982, 39980, 42240, 43978, 47976, 59970, 63360, 63968, 65967, 71964, 79960, 87956, 89955, 95952, 109945, 119940, 126720, 127936, 131934, 143928, 159920, 175912, 179910, 191904, 197901, 219890, 239880, 255872, 263868, 287856, 319840, 329835, 351824, 359820, 383808, 395802, 439780, 479760, 511744, 527736, 575712, 639680, 659670, 703648, 719640, 767616, 791604, 879560, 959520, 989505, 1055472, 1151424, 1279360, 1319340, 1407296, 1439280, 1535232, 1583208, 1759120, 1919040, 1979010, 2110944, 2302848, 2558720, 2638680, 2814592, 2878560, 3166416, 3518240, 3838080, 3958020, 4221888, 4605696, 5277360, 5629184, 5757120, 6332832, 7036480, 7676160, 7916040, 8443776, 10554720, 11514240, 12665664, 14072960, 15832080, 16887552, 21109440, 23028480, 25331328, 28145920, 31664160, 42218880, 50662656, 63328320, 84437760, 126656640, 253313280]

約数ペア:

[(1, 253313280), (2, 126656640), (3, 84437760), (4, 63328320), (5, 50662656), (6, 42218880), (8, 31664160), (9, 28145920), (10, 25331328), (11, 23028480), (12, 21109440), (15, 16887552), (16, 15832080), (18, 14072960), (20, 12665664), (22, 11514240), (24, 10554720), (30, 8443776), (32, 7916040), (33, 7676160), (36, 7036480), (40, 6332832), (44, 5757120), (45, 5629184), (48, 5277360), (55, 4605696), (60, 4221888), (64, 3958020), (66, 3838080), (72, 3518240), (80, 3166416), (88, 2878560), (90, 2814592), (96, 2638680), (99, 2558720), (110, 2302848), (120, 2110944), (128, 1979010), (132, 1919040), (144, 1759120), (160, 1583208), (165, 1535232), (176, 1439280), (180, 1407296), (192, 1319340), (198, 1279360), (220, 1151424), (240, 1055472), (256, 989505), (264, 959520), (288, 879560), (320, 791604), (330, 767616), (352, 719640), (360, 703648), (384, 659670), (396, 639680), (440, 575712), (480, 527736), (495, 511744), (528, 479760), (576, 439780), (640, 395802), (660, 383808), (704, 359820), (720, 351824), (768, 329835), (792, 319840), (880, 287856), (960, 263868), (990, 255872), (1056, 239880), (1152, 219890), (1280, 197901), (1320, 191904), (1408, 179910), (1440, 175912), (1584, 159920), (1760, 143928), (1920, 131934), (1980, 127936), (1999, 126720), (2112, 119940), (2304, 109945), (2640, 95952), (2816, 89955), (2880, 87956), (3168, 79960), (3520, 71964), (3840, 65967), (3960, 63968), (3998, 63360), (4224, 59970), (5280, 47976), (5760, 43978), (5997, 42240), (6336, 39980), (7040, 35982), (7920, 31984), (7996, 31680), (8448, 29985), (9995, 25344), (10560, 23988), (11520, 21989), (11994, 21120), (12672, 19990), (14080, 17991), (15840, 15992)]