257015808

素因数分解:

$2^{14}\times 3^3\times 7^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 240

約数和(自身を含む): 880776960

約数和(自身を除く): 623761152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 83, 84, 96, 108, 112, 126, 128, 144, 166, 168, 189, 192, 216, 224, 249, 252, 256, 288, 332, 336, 378, 384, 432, 448, 498, 504, 512, 576, 581, 664, 672, 747, 756, 768, 864, 896, 996, 1008, 1024, 1152, 1162, 1328, 1344, 1494, 1512, 1536, 1728, 1743, 1792, 1992, 2016, 2048, 2241, 2304, 2324, 2656, 2688, 2988, 3024, 3072, 3456, 3486, 3584, 3984, 4032, 4096, 4482, 4608, 4648, 5229, 5312, 5376, 5976, 6048, 6144, 6912, 6972, 7168, 7968, 8064, 8192, 8964, 9216, 9296, 10458, 10624, 10752, 11952, 12096, 12288, 13824, 13944, 14336, 15687, 15936, 16128, 16384, 17928, 18432, 18592, 20916, 21248, 21504, 23904, 24192, 24576, 27648, 27888, 28672, 31374, 31872, 32256, 35856, 36864, 37184, 41832, 42496, 43008, 47808, 48384, 49152, 55296, 55776, 57344, 62748, 63744, 64512, 71712, 73728, 74368, 83664, 84992, 86016, 95616, 96768, 110592, 111552, 114688, 125496, 127488, 129024, 143424, 147456, 148736, 167328, 169984, 172032, 191232, 193536, 221184, 223104, 250992, 254976, 258048, 286848, 297472, 334656, 339968, 344064, 382464, 387072, 442368, 446208, 501984, 509952, 516096, 573696, 594944, 669312, 679936, 764928, 774144, 892416, 1003968, 1019904, 1032192, 1147392, 1189888, 1338624, 1359872, 1529856, 1548288, 1784832, 2007936, 2039808, 2294784, 2379776, 2677248, 3059712, 3096576, 3569664, 4015872, 4079616, 4589568, 4759552, 5354496, 6119424, 7139328, 8031744, 9179136, 9519104, 10708992, 12238848, 14278656, 16063488, 18358272, 21417984, 28557312, 32126976, 36716544, 42835968, 64253952, 85671936, 128507904, 257015808]

約数ペア:

[(1, 257015808), (2, 128507904), (3, 85671936), (4, 64253952), (6, 42835968), (7, 36716544), (8, 32126976), (9, 28557312), (12, 21417984), (14, 18358272), (16, 16063488), (18, 14278656), (21, 12238848), (24, 10708992), (27, 9519104), (28, 9179136), (32, 8031744), (36, 7139328), (42, 6119424), (48, 5354496), (54, 4759552), (56, 4589568), (63, 4079616), (64, 4015872), (72, 3569664), (83, 3096576), (84, 3059712), (96, 2677248), (108, 2379776), (112, 2294784), (126, 2039808), (128, 2007936), (144, 1784832), (166, 1548288), (168, 1529856), (189, 1359872), (192, 1338624), (216, 1189888), (224, 1147392), (249, 1032192), (252, 1019904), (256, 1003968), (288, 892416), (332, 774144), (336, 764928), (378, 679936), (384, 669312), (432, 594944), (448, 573696), (498, 516096), (504, 509952), (512, 501984), (576, 446208), (581, 442368), (664, 387072), (672, 382464), (747, 344064), (756, 339968), (768, 334656), (864, 297472), (896, 286848), (996, 258048), (1008, 254976), (1024, 250992), (1152, 223104), (1162, 221184), (1328, 193536), (1344, 191232), (1494, 172032), (1512, 169984), (1536, 167328), (1728, 148736), (1743, 147456), (1792, 143424), (1992, 129024), (2016, 127488), (2048, 125496), (2241, 114688), (2304, 111552), (2324, 110592), (2656, 96768), (2688, 95616), (2988, 86016), (3024, 84992), (3072, 83664), (3456, 74368), (3486, 73728), (3584, 71712), (3984, 64512), (4032, 63744), (4096, 62748), (4482, 57344), (4608, 55776), (4648, 55296), (5229, 49152), (5312, 48384), (5376, 47808), (5976, 43008), (6048, 42496), (6144, 41832), (6912, 37184), (6972, 36864), (7168, 35856), (7968, 32256), (8064, 31872), (8192, 31374), (8964, 28672), (9216, 27888), (9296, 27648), (10458, 24576), (10624, 24192), (10752, 23904), (11952, 21504), (12096, 21248), (12288, 20916), (13824, 18592), (13944, 18432), (14336, 17928), (15687, 16384), (15936, 16128)]