1857630720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 240

約数和(自身を含む): 6530832000

約数和(自身を除く): 4673201280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 352, 363, 384, 440, 480, 484, 512, 528, 605, 640, 660, 704, 726, 768, 880, 960, 968, 1056, 1210, 1280, 1320, 1408, 1452, 1536, 1760, 1815, 1920, 1936, 1999, 2112, 2420, 2560, 2640, 2816, 2904, 3520, 3630, 3840, 3872, 3998, 4224, 4840, 5280, 5632, 5808, 5997, 7040, 7260, 7680, 7744, 7996, 8448, 9680, 9995, 10560, 11616, 11994, 14080, 14520, 15488, 15992, 16896, 19360, 19990, 21120, 21989, 23232, 23988, 28160, 29040, 29985, 30976, 31984, 38720, 39980, 42240, 43978, 46464, 47976, 58080, 59970, 61952, 63968, 65967, 77440, 79960, 84480, 87956, 92928, 95952, 109945, 116160, 119940, 127936, 131934, 154880, 159920, 175912, 185856, 191904, 219890, 232320, 239880, 241879, 255872, 263868, 309760, 319840, 329835, 351824, 383808, 439780, 464640, 479760, 483758, 511744, 527736, 639680, 659670, 703648, 725637, 767616, 879560, 929280, 959520, 967516, 1023488, 1055472, 1209395, 1279360, 1319340, 1407296, 1451274, 1535232, 1759120, 1919040, 1935032, 2110944, 2418790, 2558720, 2638680, 2814592, 2902548, 3070464, 3518240, 3628185, 3838080, 3870064, 4221888, 4837580, 5117440, 5277360, 5629184, 5805096, 7036480, 7256370, 7676160, 7740128, 8443776, 9675160, 10554720, 11258368, 11610192, 14072960, 14512740, 15352320, 15480256, 16887552, 19350320, 21109440, 23220384, 28145920, 29025480, 30960512, 33775104, 38700640, 42218880, 46440768, 56291840, 58050960, 61921024, 77401280, 84437760, 92881536, 116101920, 123842048, 154802560, 168875520, 185763072, 232203840, 309605120, 371526144, 464407680, 619210240, 928815360, 1857630720]

約数ペア:

[(1, 1857630720), (2, 928815360), (3, 619210240), (4, 464407680), (5, 371526144), (6, 309605120), (8, 232203840), (10, 185763072), (11, 168875520), (12, 154802560), (15, 123842048), (16, 116101920), (20, 92881536), (22, 84437760), (24, 77401280), (30, 61921024), (32, 58050960), (33, 56291840), (40, 46440768), (44, 42218880), (48, 38700640), (55, 33775104), (60, 30960512), (64, 29025480), (66, 28145920), (80, 23220384), (88, 21109440), (96, 19350320), (110, 16887552), (120, 15480256), (121, 15352320), (128, 14512740), (132, 14072960), (160, 11610192), (165, 11258368), (176, 10554720), (192, 9675160), (220, 8443776), (240, 7740128), (242, 7676160), (256, 7256370), (264, 7036480), (320, 5805096), (330, 5629184), (352, 5277360), (363, 5117440), (384, 4837580), (440, 4221888), (480, 3870064), (484, 3838080), (512, 3628185), (528, 3518240), (605, 3070464), (640, 2902548), (660, 2814592), (704, 2638680), (726, 2558720), (768, 2418790), (880, 2110944), (960, 1935032), (968, 1919040), (1056, 1759120), (1210, 1535232), (1280, 1451274), (1320, 1407296), (1408, 1319340), (1452, 1279360), (1536, 1209395), (1760, 1055472), (1815, 1023488), (1920, 967516), (1936, 959520), (1999, 929280), (2112, 879560), (2420, 767616), (2560, 725637), (2640, 703648), (2816, 659670), (2904, 639680), (3520, 527736), (3630, 511744), (3840, 483758), (3872, 479760), (3998, 464640), (4224, 439780), (4840, 383808), (5280, 351824), (5632, 329835), (5808, 319840), (5997, 309760), (7040, 263868), (7260, 255872), (7680, 241879), (7744, 239880), (7996, 232320), (8448, 219890), (9680, 191904), (9995, 185856), (10560, 175912), (11616, 159920), (11994, 154880), (14080, 131934), (14520, 127936), (15488, 119940), (15992, 116160), (16896, 109945), (19360, 95952), (19990, 92928), (21120, 87956), (21989, 84480), (23232, 79960), (23988, 77440), (28160, 65967), (29040, 63968), (29985, 61952), (30976, 59970), (31984, 58080), (38720, 47976), (39980, 46464), (42240, 43978)]