257216256

素因数分解:

$2^8\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 883008000

約数和(自身を除く): 625791744

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 44, 48, 51, 54, 64, 66, 68, 72, 88, 96, 99, 102, 108, 128, 132, 136, 144, 153, 176, 187, 192, 198, 199, 204, 216, 256, 264, 272, 288, 297, 306, 352, 374, 384, 396, 398, 408, 432, 459, 528, 544, 561, 576, 594, 597, 612, 704, 748, 768, 792, 796, 816, 864, 918, 1056, 1088, 1122, 1152, 1188, 1194, 1224, 1408, 1496, 1584, 1592, 1632, 1683, 1728, 1791, 1836, 2112, 2176, 2189, 2244, 2304, 2376, 2388, 2448, 2816, 2992, 3168, 3184, 3264, 3366, 3383, 3456, 3582, 3672, 4224, 4352, 4378, 4488, 4752, 4776, 4896, 5049, 5373, 5984, 6336, 6368, 6528, 6567, 6732, 6766, 6912, 7164, 7344, 8448, 8756, 8976, 9504, 9552, 9792, 10098, 10149, 10746, 11968, 12672, 12736, 13056, 13134, 13464, 13532, 14328, 14688, 17512, 17952, 19008, 19104, 19584, 19701, 20196, 20298, 21492, 23936, 25344, 25472, 26268, 26928, 27064, 28656, 29376, 30447, 35024, 35904, 37213, 38016, 38208, 39168, 39402, 40392, 40596, 42984, 47872, 50944, 52536, 53856, 54128, 57312, 58752, 59103, 60894, 70048, 71808, 74426, 76032, 76416, 78804, 80784, 81192, 85968, 91341, 105072, 107712, 108256, 111639, 114624, 117504, 118206, 121788, 140096, 143616, 148852, 152832, 157608, 161568, 162384, 171936, 182682, 210144, 215424, 216512, 223278, 229248, 236412, 243576, 280192, 297704, 315216, 323136, 324768, 334917, 343872, 365364, 420288, 430848, 433024, 446556, 458496, 472824, 487152, 560384, 595408, 630432, 646272, 649536, 669834, 687744, 730728, 840576, 866048, 893112, 945648, 974304, 1004751, 1190816, 1260864, 1292544, 1299072, 1339668, 1375488, 1461456, 1681152, 1786224, 1891296, 1948608, 2009502, 2381632, 2521728, 2598144, 2679336, 2922912, 3572448, 3782592, 3897216, 4019004, 4763264, 5043456, 5358672, 5845824, 7144896, 7565184, 7794432, 8038008, 9526528, 10717344, 11691648, 14289792, 15130368, 16076016, 21434688, 23383296, 28579584, 32152032, 42869376, 64304064, 85738752, 128608128, 257216256]

約数ペア:

[(1, 257216256), (2, 128608128), (3, 85738752), (4, 64304064), (6, 42869376), (8, 32152032), (9, 28579584), (11, 23383296), (12, 21434688), (16, 16076016), (17, 15130368), (18, 14289792), (22, 11691648), (24, 10717344), (27, 9526528), (32, 8038008), (33, 7794432), (34, 7565184), (36, 7144896), (44, 5845824), (48, 5358672), (51, 5043456), (54, 4763264), (64, 4019004), (66, 3897216), (68, 3782592), (72, 3572448), (88, 2922912), (96, 2679336), (99, 2598144), (102, 2521728), (108, 2381632), (128, 2009502), (132, 1948608), (136, 1891296), (144, 1786224), (153, 1681152), (176, 1461456), (187, 1375488), (192, 1339668), (198, 1299072), (199, 1292544), (204, 1260864), (216, 1190816), (256, 1004751), (264, 974304), (272, 945648), (288, 893112), (297, 866048), (306, 840576), (352, 730728), (374, 687744), (384, 669834), (396, 649536), (398, 646272), (408, 630432), (432, 595408), (459, 560384), (528, 487152), (544, 472824), (561, 458496), (576, 446556), (594, 433024), (597, 430848), (612, 420288), (704, 365364), (748, 343872), (768, 334917), (792, 324768), (796, 323136), (816, 315216), (864, 297704), (918, 280192), (1056, 243576), (1088, 236412), (1122, 229248), (1152, 223278), (1188, 216512), (1194, 215424), (1224, 210144), (1408, 182682), (1496, 171936), (1584, 162384), (1592, 161568), (1632, 157608), (1683, 152832), (1728, 148852), (1791, 143616), (1836, 140096), (2112, 121788), (2176, 118206), (2189, 117504), (2244, 114624), (2304, 111639), (2376, 108256), (2388, 107712), (2448, 105072), (2816, 91341), (2992, 85968), (3168, 81192), (3184, 80784), (3264, 78804), (3366, 76416), (3383, 76032), (3456, 74426), (3582, 71808), (3672, 70048), (4224, 60894), (4352, 59103), (4378, 58752), (4488, 57312), (4752, 54128), (4776, 53856), (4896, 52536), (5049, 50944), (5373, 47872), (5984, 42984), (6336, 40596), (6368, 40392), (6528, 39402), (6567, 39168), (6732, 38208), (6766, 38016), (6912, 37213), (7164, 35904), (7344, 35024), (8448, 30447), (8756, 29376), (8976, 28656), (9504, 27064), (9552, 26928), (9792, 26268), (10098, 25472), (10149, 25344), (10746, 23936), (11968, 21492), (12672, 20298), (12736, 20196), (13056, 19701), (13134, 19584), (13464, 19104), (13532, 19008), (14328, 17952), (14688, 17512)]