256696128

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 210

約数和(自身を含む): 826775334

約数和(自身を除く): 570079206

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 169, 192, 208, 216, 234, 288, 293, 312, 324, 338, 351, 416, 432, 468, 507, 576, 586, 624, 648, 676, 702, 832, 864, 879, 936, 1014, 1053, 1172, 1248, 1296, 1352, 1404, 1521, 1728, 1758, 1872, 2028, 2106, 2344, 2496, 2592, 2637, 2704, 2808, 3042, 3516, 3744, 3809, 4056, 4212, 4563, 4688, 5184, 5274, 5408, 5616, 6084, 7032, 7488, 7618, 7911, 8112, 8424, 9126, 9376, 10548, 10816, 11232, 11427, 12168, 13689, 14064, 15236, 15822, 16224, 16848, 18252, 18752, 21096, 22464, 22854, 23733, 24336, 27378, 28128, 30472, 31644, 32448, 33696, 34281, 36504, 42192, 45708, 47466, 48672, 49517, 54756, 56256, 60944, 63288, 67392, 68562, 73008, 84384, 91416, 94932, 97344, 99034, 102843, 109512, 121888, 126576, 137124, 146016, 148551, 168768, 182832, 189864, 198068, 205686, 219024, 243776, 253152, 274248, 292032, 297102, 308529, 365664, 379728, 396136, 411372, 438048, 445653, 506304, 548496, 594204, 617058, 731328, 759456, 792272, 822744, 876096, 891306, 1096992, 1188408, 1234116, 1336959, 1518912, 1584544, 1645488, 1782612, 2193984, 2376816, 2468232, 2673918, 3169088, 3290976, 3565224, 4010877, 4753632, 4936464, 5347836, 6581952, 7130448, 8021754, 9507264, 9872928, 10695672, 14260896, 16043508, 19745856, 21391344, 28521792, 32087016, 42782688, 64174032, 85565376, 128348064, 256696128]

約数ペア:

[(1, 256696128), (2, 128348064), (3, 85565376), (4, 64174032), (6, 42782688), (8, 32087016), (9, 28521792), (12, 21391344), (13, 19745856), (16, 16043508), (18, 14260896), (24, 10695672), (26, 9872928), (27, 9507264), (32, 8021754), (36, 7130448), (39, 6581952), (48, 5347836), (52, 4936464), (54, 4753632), (64, 4010877), (72, 3565224), (78, 3290976), (81, 3169088), (96, 2673918), (104, 2468232), (108, 2376816), (117, 2193984), (144, 1782612), (156, 1645488), (162, 1584544), (169, 1518912), (192, 1336959), (208, 1234116), (216, 1188408), (234, 1096992), (288, 891306), (293, 876096), (312, 822744), (324, 792272), (338, 759456), (351, 731328), (416, 617058), (432, 594204), (468, 548496), (507, 506304), (576, 445653), (586, 438048), (624, 411372), (648, 396136), (676, 379728), (702, 365664), (832, 308529), (864, 297102), (879, 292032), (936, 274248), (1014, 253152), (1053, 243776), (1172, 219024), (1248, 205686), (1296, 198068), (1352, 189864), (1404, 182832), (1521, 168768), (1728, 148551), (1758, 146016), (1872, 137124), (2028, 126576), (2106, 121888), (2344, 109512), (2496, 102843), (2592, 99034), (2637, 97344), (2704, 94932), (2808, 91416), (3042, 84384), (3516, 73008), (3744, 68562), (3809, 67392), (4056, 63288), (4212, 60944), (4563, 56256), (4688, 54756), (5184, 49517), (5274, 48672), (5408, 47466), (5616, 45708), (6084, 42192), (7032, 36504), (7488, 34281), (7618, 33696), (7911, 32448), (8112, 31644), (8424, 30472), (9126, 28128), (9376, 27378), (10548, 24336), (10816, 23733), (11232, 22854), (11427, 22464), (12168, 21096), (13689, 18752), (14064, 18252), (15236, 16848), (15822, 16224)]