257992416

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 288

約数和(自身を含む): 860461056

約数和(自身を除く): 602468640

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 37, 44, 48, 62, 66, 71, 72, 74, 88, 93, 96, 99, 111, 124, 132, 142, 144, 148, 176, 186, 198, 213, 222, 248, 264, 279, 284, 288, 296, 333, 341, 352, 372, 396, 407, 426, 444, 496, 528, 558, 568, 592, 639, 666, 682, 744, 781, 792, 814, 852, 888, 992, 1023, 1056, 1116, 1136, 1147, 1184, 1221, 1278, 1332, 1364, 1488, 1562, 1584, 1628, 1704, 1776, 2046, 2201, 2232, 2272, 2294, 2343, 2442, 2556, 2627, 2664, 2728, 2976, 3069, 3124, 3168, 3256, 3408, 3441, 3552, 3663, 4092, 4402, 4464, 4588, 4686, 4884, 5112, 5254, 5328, 5456, 6138, 6248, 6512, 6603, 6816, 6882, 7029, 7326, 7881, 8184, 8804, 8928, 9176, 9372, 9768, 10224, 10323, 10508, 10656, 10912, 12276, 12496, 12617, 13024, 13206, 13764, 14058, 14652, 15762, 16368, 17608, 18352, 18744, 19536, 19809, 20448, 20646, 21016, 23643, 24211, 24552, 24992, 25234, 26412, 27528, 28116, 28897, 29304, 31524, 32736, 35216, 36704, 37488, 37851, 39072, 39618, 41292, 42032, 47286, 48422, 49104, 50468, 52824, 55056, 56232, 57794, 58608, 63048, 70432, 72633, 74976, 75702, 79236, 81437, 82584, 84064, 86691, 94572, 96844, 98208, 100936, 105648, 110112, 112464, 113553, 115588, 117216, 126096, 145266, 151404, 158472, 162874, 165168, 173382, 189144, 193688, 201872, 211296, 217899, 224928, 227106, 231176, 244311, 252192, 260073, 290532, 302808, 316944, 325748, 330336, 346764, 378288, 387376, 403744, 435798, 454212, 462352, 488622, 520146, 581064, 605616, 633888, 651496, 693528, 732933, 756576, 774752, 871596, 895807, 908424, 924704, 977244, 1040292, 1162128, 1211232, 1302992, 1387056, 1465866, 1743192, 1791614, 1816848, 1954488, 2080584, 2324256, 2605984, 2687421, 2774112, 2931732, 3486384, 3583228, 3633696, 3908976, 4161168, 5374842, 5863464, 6972768, 7166456, 7817952, 8062263, 8322336, 10749684, 11726928, 14332912, 16124526, 21499368, 23453856, 28665824, 32249052, 42998736, 64498104, 85997472, 128996208, 257992416]

約数ペア:

[(1, 257992416), (2, 128996208), (3, 85997472), (4, 64498104), (6, 42998736), (8, 32249052), (9, 28665824), (11, 23453856), (12, 21499368), (16, 16124526), (18, 14332912), (22, 11726928), (24, 10749684), (31, 8322336), (32, 8062263), (33, 7817952), (36, 7166456), (37, 6972768), (44, 5863464), (48, 5374842), (62, 4161168), (66, 3908976), (71, 3633696), (72, 3583228), (74, 3486384), (88, 2931732), (93, 2774112), (96, 2687421), (99, 2605984), (111, 2324256), (124, 2080584), (132, 1954488), (142, 1816848), (144, 1791614), (148, 1743192), (176, 1465866), (186, 1387056), (198, 1302992), (213, 1211232), (222, 1162128), (248, 1040292), (264, 977244), (279, 924704), (284, 908424), (288, 895807), (296, 871596), (333, 774752), (341, 756576), (352, 732933), (372, 693528), (396, 651496), (407, 633888), (426, 605616), (444, 581064), (496, 520146), (528, 488622), (558, 462352), (568, 454212), (592, 435798), (639, 403744), (666, 387376), (682, 378288), (744, 346764), (781, 330336), (792, 325748), (814, 316944), (852, 302808), (888, 290532), (992, 260073), (1023, 252192), (1056, 244311), (1116, 231176), (1136, 227106), (1147, 224928), (1184, 217899), (1221, 211296), (1278, 201872), (1332, 193688), (1364, 189144), (1488, 173382), (1562, 165168), (1584, 162874), (1628, 158472), (1704, 151404), (1776, 145266), (2046, 126096), (2201, 117216), (2232, 115588), (2272, 113553), (2294, 112464), (2343, 110112), (2442, 105648), (2556, 100936), (2627, 98208), (2664, 96844), (2728, 94572), (2976, 86691), (3069, 84064), (3124, 82584), (3168, 81437), (3256, 79236), (3408, 75702), (3441, 74976), (3552, 72633), (3663, 70432), (4092, 63048), (4402, 58608), (4464, 57794), (4588, 56232), (4686, 55056), (4884, 52824), (5112, 50468), (5254, 49104), (5328, 48422), (5456, 47286), (6138, 42032), (6248, 41292), (6512, 39618), (6603, 39072), (6816, 37851), (6882, 37488), (7029, 36704), (7326, 35216), (7881, 32736), (8184, 31524), (8804, 29304), (8928, 28897), (9176, 28116), (9372, 27528), (9768, 26412), (10224, 25234), (10323, 24992), (10508, 24552), (10656, 24211), (10912, 23643), (12276, 21016), (12496, 20646), (12617, 20448), (13024, 19809), (13206, 19536), (13764, 18744), (14058, 18352), (14652, 17608), (15762, 16368)]