256469136

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 879372288

約数和(自身を除く): 622903152

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 23, 24, 28, 33, 42, 44, 46, 48, 49, 56, 66, 69, 77, 84, 88, 92, 98, 112, 132, 138, 147, 154, 161, 168, 176, 184, 196, 231, 253, 264, 276, 294, 308, 322, 336, 368, 392, 431, 462, 483, 506, 528, 539, 552, 588, 616, 644, 759, 784, 862, 924, 966, 1012, 1078, 1104, 1127, 1176, 1232, 1288, 1293, 1518, 1617, 1724, 1771, 1848, 1932, 2024, 2156, 2254, 2352, 2576, 2586, 3017, 3036, 3234, 3381, 3448, 3542, 3696, 3864, 4048, 4312, 4508, 4741, 5172, 5313, 6034, 6072, 6468, 6762, 6896, 7084, 7728, 8624, 9016, 9051, 9482, 9913, 10344, 10626, 12068, 12144, 12397, 12936, 13524, 14168, 14223, 18032, 18102, 18964, 19826, 20688, 21119, 21252, 24136, 24794, 25872, 27048, 28336, 28446, 29739, 33187, 36204, 37191, 37928, 39652, 42238, 42504, 48272, 49588, 54096, 56892, 59478, 63357, 66374, 69391, 72408, 74382, 75856, 79304, 84476, 85008, 99176, 99561, 109043, 113784, 118956, 126714, 132748, 138782, 144816, 148764, 158608, 168952, 198352, 199122, 208173, 218086, 227568, 232309, 237912, 253428, 265496, 277564, 297528, 327129, 337904, 398244, 416346, 436172, 464618, 475824, 485737, 506856, 530992, 555128, 595056, 654258, 696927, 763301, 796488, 832692, 872344, 929236, 971474, 1013712, 1110256, 1308516, 1393854, 1457211, 1526602, 1592976, 1665384, 1744688, 1858472, 1942948, 2289903, 2617032, 2787708, 2914422, 3053204, 3330768, 3716944, 3885896, 4579806, 5234064, 5343107, 5575416, 5828844, 6106408, 7771792, 9159612, 10686214, 11150832, 11657688, 12212816, 16029321, 18319224, 21372428, 23315376, 32058642, 36638448, 42744856, 64117284, 85489712, 128234568, 256469136]

約数ペア:

[(1, 256469136), (2, 128234568), (3, 85489712), (4, 64117284), (6, 42744856), (7, 36638448), (8, 32058642), (11, 23315376), (12, 21372428), (14, 18319224), (16, 16029321), (21, 12212816), (22, 11657688), (23, 11150832), (24, 10686214), (28, 9159612), (33, 7771792), (42, 6106408), (44, 5828844), (46, 5575416), (48, 5343107), (49, 5234064), (56, 4579806), (66, 3885896), (69, 3716944), (77, 3330768), (84, 3053204), (88, 2914422), (92, 2787708), (98, 2617032), (112, 2289903), (132, 1942948), (138, 1858472), (147, 1744688), (154, 1665384), (161, 1592976), (168, 1526602), (176, 1457211), (184, 1393854), (196, 1308516), (231, 1110256), (253, 1013712), (264, 971474), (276, 929236), (294, 872344), (308, 832692), (322, 796488), (336, 763301), (368, 696927), (392, 654258), (431, 595056), (462, 555128), (483, 530992), (506, 506856), (528, 485737), (539, 475824), (552, 464618), (588, 436172), (616, 416346), (644, 398244), (759, 337904), (784, 327129), (862, 297528), (924, 277564), (966, 265496), (1012, 253428), (1078, 237912), (1104, 232309), (1127, 227568), (1176, 218086), (1232, 208173), (1288, 199122), (1293, 198352), (1518, 168952), (1617, 158608), (1724, 148764), (1771, 144816), (1848, 138782), (1932, 132748), (2024, 126714), (2156, 118956), (2254, 113784), (2352, 109043), (2576, 99561), (2586, 99176), (3017, 85008), (3036, 84476), (3234, 79304), (3381, 75856), (3448, 74382), (3542, 72408), (3696, 69391), (3864, 66374), (4048, 63357), (4312, 59478), (4508, 56892), (4741, 54096), (5172, 49588), (5313, 48272), (6034, 42504), (6072, 42238), (6468, 39652), (6762, 37928), (6896, 37191), (7084, 36204), (7728, 33187), (8624, 29739), (9016, 28446), (9051, 28336), (9482, 27048), (9913, 25872), (10344, 24794), (10626, 24136), (12068, 21252), (12144, 21119), (12397, 20688), (12936, 19826), (13524, 18964), (14168, 18102), (14223, 18032)]