256675392

素因数分解:

$2^6\times 3^4\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 140

約数和(自身を含む): 773267440

約数和(自身を除く): 516592048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 81, 96, 108, 134, 144, 162, 192, 201, 216, 268, 288, 324, 402, 432, 536, 576, 603, 648, 739, 804, 864, 1072, 1206, 1296, 1478, 1608, 1728, 1809, 2144, 2217, 2412, 2592, 2956, 3216, 3618, 4288, 4434, 4824, 5184, 5427, 5912, 6432, 6651, 7236, 8868, 9648, 10854, 11824, 12864, 13302, 14472, 17736, 19296, 19953, 21708, 23648, 26604, 28944, 35472, 38592, 39906, 43416, 47296, 49513, 53208, 57888, 59859, 70944, 79812, 86832, 99026, 106416, 115776, 119718, 141888, 148539, 159624, 173664, 198052, 212832, 239436, 297078, 319248, 347328, 396104, 425664, 445617, 478872, 594156, 638496, 792208, 891234, 957744, 1188312, 1276992, 1336851, 1584416, 1782468, 1915488, 2376624, 2673702, 3168832, 3564936, 3830976, 4010553, 4753248, 5347404, 7129872, 8021106, 9506496, 10694808, 14259744, 16042212, 21389616, 28519488, 32084424, 42779232, 64168848, 85558464, 128337696, 256675392]

約数ペア:

[(1, 256675392), (2, 128337696), (3, 85558464), (4, 64168848), (6, 42779232), (8, 32084424), (9, 28519488), (12, 21389616), (16, 16042212), (18, 14259744), (24, 10694808), (27, 9506496), (32, 8021106), (36, 7129872), (48, 5347404), (54, 4753248), (64, 4010553), (67, 3830976), (72, 3564936), (81, 3168832), (96, 2673702), (108, 2376624), (134, 1915488), (144, 1782468), (162, 1584416), (192, 1336851), (201, 1276992), (216, 1188312), (268, 957744), (288, 891234), (324, 792208), (402, 638496), (432, 594156), (536, 478872), (576, 445617), (603, 425664), (648, 396104), (739, 347328), (804, 319248), (864, 297078), (1072, 239436), (1206, 212832), (1296, 198052), (1478, 173664), (1608, 159624), (1728, 148539), (1809, 141888), (2144, 119718), (2217, 115776), (2412, 106416), (2592, 99026), (2956, 86832), (3216, 79812), (3618, 70944), (4288, 59859), (4434, 57888), (4824, 53208), (5184, 49513), (5427, 47296), (5912, 43416), (6432, 39906), (6651, 38592), (7236, 35472), (8868, 28944), (9648, 26604), (10854, 23648), (11824, 21708), (12864, 19953), (13302, 19296), (14472, 17736)]