257359872

素因数分解:

$2^{16}\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:70

約数の個数: 272

約数和(自身を含む): 905962752

約数和(自身を除く): 648602880

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 32, 33, 34, 42, 44, 48, 51, 56, 64, 66, 68, 77, 84, 88, 96, 102, 112, 119, 128, 132, 136, 154, 168, 176, 187, 192, 204, 224, 231, 238, 256, 264, 272, 308, 336, 352, 357, 374, 384, 408, 448, 462, 476, 512, 528, 544, 561, 616, 672, 704, 714, 748, 768, 816, 896, 924, 952, 1024, 1056, 1088, 1122, 1232, 1309, 1344, 1408, 1428, 1496, 1536, 1632, 1792, 1848, 1904, 2048, 2112, 2176, 2244, 2464, 2618, 2688, 2816, 2856, 2992, 3072, 3264, 3584, 3696, 3808, 3927, 4096, 4224, 4352, 4488, 4928, 5236, 5376, 5632, 5712, 5984, 6144, 6528, 7168, 7392, 7616, 7854, 8192, 8448, 8704, 8976, 9856, 10472, 10752, 11264, 11424, 11968, 12288, 13056, 14336, 14784, 15232, 15708, 16384, 16896, 17408, 17952, 19712, 20944, 21504, 22528, 22848, 23936, 24576, 26112, 28672, 29568, 30464, 31416, 32768, 33792, 34816, 35904, 39424, 41888, 43008, 45056, 45696, 47872, 49152, 52224, 57344, 59136, 60928, 62832, 65536, 67584, 69632, 71808, 78848, 83776, 86016, 90112, 91392, 95744, 98304, 104448, 114688, 118272, 121856, 125664, 135168, 139264, 143616, 157696, 167552, 172032, 180224, 182784, 191488, 196608, 208896, 229376, 236544, 243712, 251328, 270336, 278528, 287232, 315392, 335104, 344064, 360448, 365568, 382976, 417792, 458752, 473088, 487424, 502656, 540672, 557056, 574464, 630784, 670208, 688128, 720896, 731136, 765952, 835584, 946176, 974848, 1005312, 1081344, 1114112, 1148928, 1261568, 1340416, 1376256, 1462272, 1531904, 1671168, 1892352, 1949696, 2010624, 2162688, 2297856, 2523136, 2680832, 2924544, 3063808, 3342336, 3784704, 3899392, 4021248, 4595712, 5046272, 5361664, 5849088, 6127616, 7569408, 7798784, 8042496, 9191424, 10723328, 11698176, 12255232, 15138816, 16084992, 18382848, 21446656, 23396352, 32169984, 36765696, 42893312, 64339968, 85786624, 128679936, 257359872]

約数ペア:

[(1, 257359872), (2, 128679936), (3, 85786624), (4, 64339968), (6, 42893312), (7, 36765696), (8, 32169984), (11, 23396352), (12, 21446656), (14, 18382848), (16, 16084992), (17, 15138816), (21, 12255232), (22, 11698176), (24, 10723328), (28, 9191424), (32, 8042496), (33, 7798784), (34, 7569408), (42, 6127616), (44, 5849088), (48, 5361664), (51, 5046272), (56, 4595712), (64, 4021248), (66, 3899392), (68, 3784704), (77, 3342336), (84, 3063808), (88, 2924544), (96, 2680832), (102, 2523136), (112, 2297856), (119, 2162688), (128, 2010624), (132, 1949696), (136, 1892352), (154, 1671168), (168, 1531904), (176, 1462272), (187, 1376256), (192, 1340416), (204, 1261568), (224, 1148928), (231, 1114112), (238, 1081344), (256, 1005312), (264, 974848), (272, 946176), (308, 835584), (336, 765952), (352, 731136), (357, 720896), (374, 688128), (384, 670208), (408, 630784), (448, 574464), (462, 557056), (476, 540672), (512, 502656), (528, 487424), (544, 473088), (561, 458752), (616, 417792), (672, 382976), (704, 365568), (714, 360448), (748, 344064), (768, 335104), (816, 315392), (896, 287232), (924, 278528), (952, 270336), (1024, 251328), (1056, 243712), (1088, 236544), (1122, 229376), (1232, 208896), (1309, 196608), (1344, 191488), (1408, 182784), (1428, 180224), (1496, 172032), (1536, 167552), (1632, 157696), (1792, 143616), (1848, 139264), (1904, 135168), (2048, 125664), (2112, 121856), (2176, 118272), (2244, 114688), (2464, 104448), (2618, 98304), (2688, 95744), (2816, 91392), (2856, 90112), (2992, 86016), (3072, 83776), (3264, 78848), (3584, 71808), (3696, 69632), (3808, 67584), (3927, 65536), (4096, 62832), (4224, 60928), (4352, 59136), (4488, 57344), (4928, 52224), (5236, 49152), (5376, 47872), (5632, 45696), (5712, 45056), (5984, 43008), (6144, 41888), (6528, 39424), (7168, 35904), (7392, 34816), (7616, 33792), (7854, 32768), (8192, 31416), (8448, 30464), (8704, 29568), (8976, 28672), (9856, 26112), (10472, 24576), (10752, 23936), (11264, 22848), (11424, 22528), (11968, 21504), (12288, 20944), (13056, 19712), (14336, 17952), (14784, 17408), (15232, 16896), (15708, 16384)]