256126464

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 240

約数和(自身を含む): 837517824

約数和(自身を除く): 581391360

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 64, 66, 72, 88, 93, 96, 99, 124, 128, 132, 144, 163, 176, 186, 192, 198, 248, 256, 264, 279, 288, 326, 341, 352, 372, 384, 396, 489, 496, 512, 528, 558, 576, 652, 682, 704, 744, 768, 792, 978, 992, 1023, 1056, 1116, 1152, 1304, 1364, 1408, 1467, 1488, 1536, 1584, 1793, 1956, 1984, 2046, 2112, 2232, 2304, 2608, 2728, 2816, 2934, 2976, 3069, 3168, 3586, 3912, 3968, 4092, 4224, 4464, 4608, 5053, 5216, 5379, 5456, 5632, 5868, 5952, 6138, 6336, 7172, 7824, 7936, 8184, 8448, 8928, 10106, 10432, 10758, 10912, 11736, 11904, 12276, 12672, 14344, 15159, 15648, 15872, 16137, 16368, 16896, 17856, 20212, 20864, 21516, 21824, 23472, 23808, 24552, 25344, 28688, 30318, 31296, 32274, 32736, 35712, 40424, 41728, 43032, 43648, 45477, 46944, 47616, 49104, 50688, 55583, 57376, 60636, 62592, 64548, 65472, 71424, 80848, 83456, 86064, 87296, 90954, 93888, 98208, 111166, 114752, 121272, 125184, 129096, 130944, 142848, 161696, 166749, 172128, 174592, 181908, 187776, 196416, 222332, 229504, 242544, 250368, 258192, 261888, 323392, 333498, 344256, 363816, 375552, 392832, 444664, 459008, 485088, 500247, 516384, 523776, 646784, 666996, 688512, 727632, 751104, 785664, 889328, 918016, 970176, 1000494, 1032768, 1293568, 1333992, 1377024, 1455264, 1571328, 1778656, 1940352, 2000988, 2065536, 2587136, 2667984, 2754048, 2910528, 3557312, 3880704, 4001976, 4131072, 5335968, 5821056, 7114624, 7761408, 8003952, 8262144, 10671936, 11642112, 14229248, 16007904, 21343872, 23284224, 28458496, 32015808, 42687744, 64031616, 85375488, 128063232, 256126464]

約数ペア:

[(1, 256126464), (2, 128063232), (3, 85375488), (4, 64031616), (6, 42687744), (8, 32015808), (9, 28458496), (11, 23284224), (12, 21343872), (16, 16007904), (18, 14229248), (22, 11642112), (24, 10671936), (31, 8262144), (32, 8003952), (33, 7761408), (36, 7114624), (44, 5821056), (48, 5335968), (62, 4131072), (64, 4001976), (66, 3880704), (72, 3557312), (88, 2910528), (93, 2754048), (96, 2667984), (99, 2587136), (124, 2065536), (128, 2000988), (132, 1940352), (144, 1778656), (163, 1571328), (176, 1455264), (186, 1377024), (192, 1333992), (198, 1293568), (248, 1032768), (256, 1000494), (264, 970176), (279, 918016), (288, 889328), (326, 785664), (341, 751104), (352, 727632), (372, 688512), (384, 666996), (396, 646784), (489, 523776), (496, 516384), (512, 500247), (528, 485088), (558, 459008), (576, 444664), (652, 392832), (682, 375552), (704, 363816), (744, 344256), (768, 333498), (792, 323392), (978, 261888), (992, 258192), (1023, 250368), (1056, 242544), (1116, 229504), (1152, 222332), (1304, 196416), (1364, 187776), (1408, 181908), (1467, 174592), (1488, 172128), (1536, 166749), (1584, 161696), (1793, 142848), (1956, 130944), (1984, 129096), (2046, 125184), (2112, 121272), (2232, 114752), (2304, 111166), (2608, 98208), (2728, 93888), (2816, 90954), (2934, 87296), (2976, 86064), (3069, 83456), (3168, 80848), (3586, 71424), (3912, 65472), (3968, 64548), (4092, 62592), (4224, 60636), (4464, 57376), (4608, 55583), (5053, 50688), (5216, 49104), (5379, 47616), (5456, 46944), (5632, 45477), (5868, 43648), (5952, 43032), (6138, 41728), (6336, 40424), (7172, 35712), (7824, 32736), (7936, 32274), (8184, 31296), (8448, 30318), (8928, 28688), (10106, 25344), (10432, 24552), (10758, 23808), (10912, 23472), (11736, 21824), (11904, 21516), (12276, 20864), (12672, 20212), (14344, 17856), (15159, 16896), (15648, 16368), (15872, 16137)]