257917440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 320

約数和(自身を含む): 933368832

約数和(自身を除く): 675451392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 64, 66, 71, 80, 86, 88, 96, 110, 120, 128, 129, 132, 142, 160, 165, 172, 176, 192, 213, 215, 220, 240, 256, 258, 264, 284, 320, 330, 344, 352, 355, 384, 426, 430, 440, 473, 480, 512, 516, 528, 568, 640, 645, 660, 688, 704, 710, 768, 781, 852, 860, 880, 946, 960, 1032, 1056, 1065, 1136, 1280, 1290, 1320, 1376, 1408, 1419, 1420, 1536, 1562, 1704, 1720, 1760, 1892, 1920, 2064, 2112, 2130, 2272, 2343, 2365, 2560, 2580, 2640, 2752, 2816, 2838, 2840, 3053, 3124, 3408, 3440, 3520, 3784, 3840, 3905, 4128, 4224, 4260, 4544, 4686, 4730, 5160, 5280, 5504, 5632, 5676, 5680, 6106, 6248, 6816, 6880, 7040, 7095, 7568, 7680, 7810, 8256, 8448, 8520, 9088, 9159, 9372, 9460, 10320, 10560, 11008, 11352, 11360, 11715, 12212, 12496, 13632, 13760, 14080, 14190, 15136, 15265, 15620, 16512, 16896, 17040, 18176, 18318, 18744, 18920, 20640, 21120, 22016, 22704, 22720, 23430, 24424, 24992, 27264, 27520, 28160, 28380, 30272, 30530, 31240, 33024, 33583, 34080, 36352, 36636, 37488, 37840, 41280, 42240, 45408, 45440, 45795, 46860, 48848, 49984, 54528, 55040, 56760, 60544, 61060, 62480, 66048, 67166, 68160, 73272, 74976, 75680, 82560, 84480, 90816, 90880, 91590, 93720, 97696, 99968, 100749, 109056, 110080, 113520, 121088, 122120, 124960, 134332, 136320, 146544, 149952, 151360, 165120, 167915, 181632, 181760, 183180, 187440, 195392, 199936, 201498, 227040, 242176, 244240, 249920, 268664, 272640, 293088, 299904, 302720, 330240, 335830, 363264, 366360, 374880, 390784, 399872, 402996, 454080, 488480, 499840, 503745, 537328, 545280, 586176, 599808, 605440, 671660, 726528, 732720, 749760, 781568, 805992, 908160, 976960, 999680, 1007490, 1074656, 1172352, 1199616, 1210880, 1343320, 1465440, 1499520, 1563136, 1611984, 1816320, 1953920, 1999360, 2014980, 2149312, 2344704, 2686640, 2930880, 2999040, 3223968, 3632640, 3907840, 4029960, 4298624, 4689408, 5373280, 5861760, 5998080, 6447936, 7815680, 8059920, 8597248, 10746560, 11723520, 12895872, 16119840, 17194496, 21493120, 23447040, 25791744, 32239680, 42986240, 51583488, 64479360, 85972480, 128958720, 257917440]

約数ペア:

[(1, 257917440), (2, 128958720), (3, 85972480), (4, 64479360), (5, 51583488), (6, 42986240), (8, 32239680), (10, 25791744), (11, 23447040), (12, 21493120), (15, 17194496), (16, 16119840), (20, 12895872), (22, 11723520), (24, 10746560), (30, 8597248), (32, 8059920), (33, 7815680), (40, 6447936), (43, 5998080), (44, 5861760), (48, 5373280), (55, 4689408), (60, 4298624), (64, 4029960), (66, 3907840), (71, 3632640), (80, 3223968), (86, 2999040), (88, 2930880), (96, 2686640), (110, 2344704), (120, 2149312), (128, 2014980), (129, 1999360), (132, 1953920), (142, 1816320), (160, 1611984), (165, 1563136), (172, 1499520), (176, 1465440), (192, 1343320), (213, 1210880), (215, 1199616), (220, 1172352), (240, 1074656), (256, 1007490), (258, 999680), (264, 976960), (284, 908160), (320, 805992), (330, 781568), (344, 749760), (352, 732720), (355, 726528), (384, 671660), (426, 605440), (430, 599808), (440, 586176), (473, 545280), (480, 537328), (512, 503745), (516, 499840), (528, 488480), (568, 454080), (640, 402996), (645, 399872), (660, 390784), (688, 374880), (704, 366360), (710, 363264), (768, 335830), (781, 330240), (852, 302720), (860, 299904), (880, 293088), (946, 272640), (960, 268664), (1032, 249920), (1056, 244240), (1065, 242176), (1136, 227040), (1280, 201498), (1290, 199936), (1320, 195392), (1376, 187440), (1408, 183180), (1419, 181760), (1420, 181632), (1536, 167915), (1562, 165120), (1704, 151360), (1720, 149952), (1760, 146544), (1892, 136320), (1920, 134332), (2064, 124960), (2112, 122120), (2130, 121088), (2272, 113520), (2343, 110080), (2365, 109056), (2560, 100749), (2580, 99968), (2640, 97696), (2752, 93720), (2816, 91590), (2838, 90880), (2840, 90816), (3053, 84480), (3124, 82560), (3408, 75680), (3440, 74976), (3520, 73272), (3784, 68160), (3840, 67166), (3905, 66048), (4128, 62480), (4224, 61060), (4260, 60544), (4544, 56760), (4686, 55040), (4730, 54528), (5160, 49984), (5280, 48848), (5504, 46860), (5632, 45795), (5676, 45440), (5680, 45408), (6106, 42240), (6248, 41280), (6816, 37840), (6880, 37488), (7040, 36636), (7095, 36352), (7568, 34080), (7680, 33583), (7810, 33024), (8256, 31240), (8448, 30530), (8520, 30272), (9088, 28380), (9159, 28160), (9372, 27520), (9460, 27264), (10320, 24992), (10560, 24424), (11008, 23430), (11352, 22720), (11360, 22704), (11715, 22016), (12212, 21120), (12496, 20640), (13632, 18920), (13760, 18744), (14080, 18318), (14190, 18176), (15136, 17040), (15265, 16896), (15620, 16512)]