257718912

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 256

約数和(自身を含む): 820471680

約数和(自身を除く): 562752768

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 37, 44, 48, 51, 64, 66, 68, 74, 88, 96, 97, 102, 111, 128, 132, 136, 148, 176, 187, 192, 194, 204, 222, 264, 272, 291, 296, 352, 374, 384, 388, 407, 408, 444, 528, 544, 561, 582, 592, 629, 704, 748, 776, 814, 816, 888, 1056, 1067, 1088, 1122, 1164, 1184, 1221, 1258, 1408, 1496, 1552, 1628, 1632, 1649, 1776, 1887, 2112, 2134, 2176, 2244, 2328, 2368, 2442, 2516, 2992, 3104, 3201, 3256, 3264, 3298, 3552, 3589, 3774, 4224, 4268, 4488, 4656, 4736, 4884, 4947, 5032, 5984, 6208, 6402, 6512, 6528, 6596, 6919, 7104, 7178, 7548, 8536, 8976, 9312, 9768, 9894, 10064, 10767, 11968, 12416, 12804, 13024, 13192, 13838, 14208, 14356, 15096, 17072, 17952, 18139, 18624, 19536, 19788, 20128, 20757, 21534, 23936, 25608, 26048, 26384, 27676, 28712, 30192, 34144, 35904, 36278, 37248, 39072, 39479, 39576, 40256, 41514, 43068, 51216, 52096, 52768, 54417, 55352, 57424, 60384, 61013, 68288, 71808, 72556, 78144, 78958, 79152, 80512, 83028, 86136, 102432, 105536, 108834, 110704, 114848, 118437, 120768, 122026, 136576, 145112, 156288, 157916, 158304, 166056, 172272, 183039, 204864, 211072, 217668, 221408, 229696, 236874, 241536, 244052, 290224, 315832, 316608, 332112, 344544, 366078, 409728, 435336, 442816, 459392, 473748, 488104, 580448, 631664, 633216, 664224, 671143, 689088, 732156, 870672, 885632, 947496, 976208, 1160896, 1263328, 1328448, 1342286, 1378176, 1464312, 1741344, 1894992, 1952416, 2013429, 2321792, 2526656, 2656896, 2684572, 2928624, 3482688, 3789984, 3904832, 4026858, 5053312, 5369144, 5857248, 6965376, 7579968, 7809664, 8053716, 10738288, 11714496, 15159936, 16107432, 21476576, 23428992, 32214864, 42953152, 64429728, 85906304, 128859456, 257718912]

約数ペア:

[(1, 257718912), (2, 128859456), (3, 85906304), (4, 64429728), (6, 42953152), (8, 32214864), (11, 23428992), (12, 21476576), (16, 16107432), (17, 15159936), (22, 11714496), (24, 10738288), (32, 8053716), (33, 7809664), (34, 7579968), (37, 6965376), (44, 5857248), (48, 5369144), (51, 5053312), (64, 4026858), (66, 3904832), (68, 3789984), (74, 3482688), (88, 2928624), (96, 2684572), (97, 2656896), (102, 2526656), (111, 2321792), (128, 2013429), (132, 1952416), (136, 1894992), (148, 1741344), (176, 1464312), (187, 1378176), (192, 1342286), (194, 1328448), (204, 1263328), (222, 1160896), (264, 976208), (272, 947496), (291, 885632), (296, 870672), (352, 732156), (374, 689088), (384, 671143), (388, 664224), (407, 633216), (408, 631664), (444, 580448), (528, 488104), (544, 473748), (561, 459392), (582, 442816), (592, 435336), (629, 409728), (704, 366078), (748, 344544), (776, 332112), (814, 316608), (816, 315832), (888, 290224), (1056, 244052), (1067, 241536), (1088, 236874), (1122, 229696), (1164, 221408), (1184, 217668), (1221, 211072), (1258, 204864), (1408, 183039), (1496, 172272), (1552, 166056), (1628, 158304), (1632, 157916), (1649, 156288), (1776, 145112), (1887, 136576), (2112, 122026), (2134, 120768), (2176, 118437), (2244, 114848), (2328, 110704), (2368, 108834), (2442, 105536), (2516, 102432), (2992, 86136), (3104, 83028), (3201, 80512), (3256, 79152), (3264, 78958), (3298, 78144), (3552, 72556), (3589, 71808), (3774, 68288), (4224, 61013), (4268, 60384), (4488, 57424), (4656, 55352), (4736, 54417), (4884, 52768), (4947, 52096), (5032, 51216), (5984, 43068), (6208, 41514), (6402, 40256), (6512, 39576), (6528, 39479), (6596, 39072), (6919, 37248), (7104, 36278), (7178, 35904), (7548, 34144), (8536, 30192), (8976, 28712), (9312, 27676), (9768, 26384), (9894, 26048), (10064, 25608), (10767, 23936), (11968, 21534), (12416, 20757), (12804, 20128), (13024, 19788), (13192, 19536), (13838, 18624), (14208, 18139), (14356, 17952), (15096, 17072)]