278339328

素因数分解:

$2^8\times 3^4\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 180

約数和(自身を含む): 858708928

約数和(自身を除く): 580369600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 256, 279, 288, 324, 372, 384, 432, 433, 496, 558, 576, 648, 744, 768, 837, 864, 866, 992, 1116, 1152, 1296, 1299, 1488, 1674, 1728, 1732, 1984, 2232, 2304, 2511, 2592, 2598, 2976, 3348, 3456, 3464, 3897, 3968, 4464, 5022, 5184, 5196, 5952, 6696, 6912, 6928, 7794, 7936, 8928, 10044, 10368, 10392, 11691, 11904, 13392, 13423, 13856, 15588, 17856, 20088, 20736, 20784, 23382, 23808, 26784, 26846, 27712, 31176, 35073, 35712, 40176, 40269, 41568, 46764, 53568, 53692, 55424, 62352, 70146, 71424, 80352, 80538, 83136, 93528, 107136, 107384, 110848, 120807, 124704, 140292, 160704, 161076, 166272, 187056, 214272, 214768, 241614, 249408, 280584, 321408, 322152, 332544, 362421, 374112, 429536, 483228, 498816, 561168, 642816, 644304, 724842, 748224, 859072, 966456, 997632, 1087263, 1122336, 1288608, 1449684, 1496448, 1718144, 1932912, 2174526, 2244672, 2577216, 2899368, 2992896, 3436288, 3865824, 4349052, 4489344, 5154432, 5798736, 7731648, 8698104, 8978688, 10308864, 11597472, 15463296, 17396208, 23194944, 30926592, 34792416, 46389888, 69584832, 92779776, 139169664, 278339328]

約数ペア:

[(1, 278339328), (2, 139169664), (3, 92779776), (4, 69584832), (6, 46389888), (8, 34792416), (9, 30926592), (12, 23194944), (16, 17396208), (18, 15463296), (24, 11597472), (27, 10308864), (31, 8978688), (32, 8698104), (36, 7731648), (48, 5798736), (54, 5154432), (62, 4489344), (64, 4349052), (72, 3865824), (81, 3436288), (93, 2992896), (96, 2899368), (108, 2577216), (124, 2244672), (128, 2174526), (144, 1932912), (162, 1718144), (186, 1496448), (192, 1449684), (216, 1288608), (248, 1122336), (256, 1087263), (279, 997632), (288, 966456), (324, 859072), (372, 748224), (384, 724842), (432, 644304), (433, 642816), (496, 561168), (558, 498816), (576, 483228), (648, 429536), (744, 374112), (768, 362421), (837, 332544), (864, 322152), (866, 321408), (992, 280584), (1116, 249408), (1152, 241614), (1296, 214768), (1299, 214272), (1488, 187056), (1674, 166272), (1728, 161076), (1732, 160704), (1984, 140292), (2232, 124704), (2304, 120807), (2511, 110848), (2592, 107384), (2598, 107136), (2976, 93528), (3348, 83136), (3456, 80538), (3464, 80352), (3897, 71424), (3968, 70146), (4464, 62352), (5022, 55424), (5184, 53692), (5196, 53568), (5952, 46764), (6696, 41568), (6912, 40269), (6928, 40176), (7794, 35712), (7936, 35073), (8928, 31176), (10044, 27712), (10368, 26846), (10392, 26784), (11691, 23808), (11904, 23382), (13392, 20784), (13423, 20736), (13856, 20088), (15588, 17856)]