1581123456

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 384

約数和(自身を含む): 5426400000

約数和(自身を除く): 3845276544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 32, 33, 36, 38, 44, 48, 54, 57, 64, 66, 72, 76, 88, 96, 99, 108, 114, 121, 128, 132, 144, 152, 171, 176, 192, 198, 199, 209, 216, 228, 242, 264, 288, 297, 304, 342, 352, 363, 384, 396, 398, 418, 432, 456, 484, 513, 528, 576, 594, 597, 608, 627, 684, 704, 726, 792, 796, 836, 864, 912, 968, 1026, 1056, 1089, 1152, 1188, 1194, 1216, 1254, 1368, 1408, 1452, 1584, 1592, 1672, 1728, 1791, 1824, 1881, 1936, 2052, 2112, 2178, 2189, 2299, 2376, 2388, 2432, 2508, 2736, 2904, 3168, 3184, 3267, 3344, 3456, 3582, 3648, 3762, 3781, 3872, 4104, 4224, 4356, 4378, 4598, 4752, 4776, 5016, 5373, 5472, 5643, 5808, 6336, 6368, 6534, 6567, 6688, 6897, 7164, 7296, 7524, 7562, 7744, 8208, 8712, 8756, 9196, 9504, 9552, 10032, 10746, 10944, 11286, 11343, 11616, 12672, 12736, 13068, 13134, 13376, 13794, 14328, 15048, 15124, 15488, 16416, 17424, 17512, 18392, 19008, 19104, 19701, 20064, 20691, 21492, 21888, 22572, 22686, 23232, 24079, 25472, 26136, 26268, 26752, 27588, 28656, 30096, 30248, 32832, 34029, 34848, 35024, 36784, 38016, 38208, 39402, 40128, 41382, 41591, 42984, 45144, 45372, 46464, 48158, 52272, 52536, 55176, 57312, 59103, 60192, 60496, 62073, 65664, 68058, 69696, 70048, 72237, 73568, 76416, 78804, 80256, 82764, 83182, 85968, 90288, 90744, 96316, 102087, 104544, 105072, 110352, 114624, 118206, 120384, 120992, 124146, 124773, 136116, 139392, 140096, 144474, 147136, 157608, 165528, 166364, 171936, 180576, 181488, 192632, 204174, 209088, 210144, 216711, 220704, 229248, 236412, 240768, 241984, 248292, 249546, 272232, 280192, 288948, 294272, 315216, 331056, 332728, 343872, 361152, 362976, 374319, 385264, 408348, 418176, 420288, 433422, 441408, 457501, 472824, 483968, 496584, 499092, 544464, 577896, 630432, 650133, 662112, 665456, 687744, 722304, 725952, 748638, 770528, 816696, 840576, 866844, 882816, 915002, 945648, 993168, 998184, 1088928, 1122957, 1155792, 1260864, 1300266, 1324224, 1330912, 1372503, 1451904, 1497276, 1541056, 1633392, 1733688, 1830004, 1891296, 1986336, 1996368, 2177856, 2245914, 2311584, 2521728, 2600532, 2648448, 2661824, 2745006, 2994552, 3082112, 3266784, 3467376, 3660008, 3782592, 3972672, 3992736, 4117509, 4355712, 4491828, 4623168, 5201064, 5323648, 5490012, 5989104, 6533568, 6934752, 7320016, 7565184, 7945344, 7985472, 8235018, 8983656, 9246336, 10402128, 10980024, 11978208, 12352527, 13067136, 13869504, 14640032, 15970944, 16470036, 17967312, 20804256, 21960048, 23956416, 24705054, 27739008, 29280064, 32940072, 35934624, 41608512, 43920096, 47912832, 49410108, 58560128, 65880144, 71869248, 83217024, 87840192, 98820216, 131760288, 143738496, 175680384, 197640432, 263520576, 395280864, 527041152, 790561728, 1581123456]

約数ペア:

[(1, 1581123456), (2, 790561728), (3, 527041152), (4, 395280864), (6, 263520576), (8, 197640432), (9, 175680384), (11, 143738496), (12, 131760288), (16, 98820216), (18, 87840192), (19, 83217024), (22, 71869248), (24, 65880144), (27, 58560128), (32, 49410108), (33, 47912832), (36, 43920096), (38, 41608512), (44, 35934624), (48, 32940072), (54, 29280064), (57, 27739008), (64, 24705054), (66, 23956416), (72, 21960048), (76, 20804256), (88, 17967312), (96, 16470036), (99, 15970944), (108, 14640032), (114, 13869504), (121, 13067136), (128, 12352527), (132, 11978208), (144, 10980024), (152, 10402128), (171, 9246336), (176, 8983656), (192, 8235018), (198, 7985472), (199, 7945344), (209, 7565184), (216, 7320016), (228, 6934752), (242, 6533568), (264, 5989104), (288, 5490012), (297, 5323648), (304, 5201064), (342, 4623168), (352, 4491828), (363, 4355712), (384, 4117509), (396, 3992736), (398, 3972672), (418, 3782592), (432, 3660008), (456, 3467376), (484, 3266784), (513, 3082112), (528, 2994552), (576, 2745006), (594, 2661824), (597, 2648448), (608, 2600532), (627, 2521728), (684, 2311584), (704, 2245914), (726, 2177856), (792, 1996368), (796, 1986336), (836, 1891296), (864, 1830004), (912, 1733688), (968, 1633392), (1026, 1541056), (1056, 1497276), (1089, 1451904), (1152, 1372503), (1188, 1330912), (1194, 1324224), (1216, 1300266), (1254, 1260864), (1368, 1155792), (1408, 1122957), (1452, 1088928), (1584, 998184), (1592, 993168), (1672, 945648), (1728, 915002), (1791, 882816), (1824, 866844), (1881, 840576), (1936, 816696), (2052, 770528), (2112, 748638), (2178, 725952), (2189, 722304), (2299, 687744), (2376, 665456), (2388, 662112), (2432, 650133), (2508, 630432), (2736, 577896), (2904, 544464), (3168, 499092), (3184, 496584), (3267, 483968), (3344, 472824), (3456, 457501), (3582, 441408), (3648, 433422), (3762, 420288), (3781, 418176), (3872, 408348), (4104, 385264), (4224, 374319), (4356, 362976), (4378, 361152), (4598, 343872), (4752, 332728), (4776, 331056), (5016, 315216), (5373, 294272), (5472, 288948), (5643, 280192), (5808, 272232), (6336, 249546), (6368, 248292), (6534, 241984), (6567, 240768), (6688, 236412), (6897, 229248), (7164, 220704), (7296, 216711), (7524, 210144), (7562, 209088), (7744, 204174), (8208, 192632), (8712, 181488), (8756, 180576), (9196, 171936), (9504, 166364), (9552, 165528), (10032, 157608), (10746, 147136), (10944, 144474), (11286, 140096), (11343, 139392), (11616, 136116), (12672, 124773), (12736, 124146), (13068, 120992), (13134, 120384), (13376, 118206), (13794, 114624), (14328, 110352), (15048, 105072), (15124, 104544), (15488, 102087), (16416, 96316), (17424, 90744), (17512, 90288), (18392, 85968), (19008, 83182), (19104, 82764), (19701, 80256), (20064, 78804), (20691, 76416), (21492, 73568), (21888, 72237), (22572, 70048), (22686, 69696), (23232, 68058), (24079, 65664), (25472, 62073), (26136, 60496), (26268, 60192), (26752, 59103), (27588, 57312), (28656, 55176), (30096, 52536), (30248, 52272), (32832, 48158), (34029, 46464), (34848, 45372), (35024, 45144), (36784, 42984), (38016, 41591), (38208, 41382), (39402, 40128)]