261386496

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:901

約数の個数: 216

約数和(自身を含む): 907699520

約数和(自身を除く): 646313024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 128, 133, 144, 152, 168, 171, 192, 224, 228, 252, 256, 266, 288, 304, 336, 342, 384, 399, 448, 456, 504, 532, 576, 608, 672, 684, 768, 798, 853, 896, 912, 1008, 1064, 1152, 1197, 1216, 1344, 1368, 1596, 1706, 1792, 1824, 2016, 2128, 2304, 2394, 2432, 2559, 2688, 2736, 3192, 3412, 3648, 4032, 4256, 4788, 4864, 5118, 5376, 5472, 5971, 6384, 6824, 7296, 7677, 8064, 8512, 9576, 10236, 10944, 11942, 12768, 13648, 14592, 15354, 16128, 16207, 17024, 17913, 19152, 20472, 21888, 23884, 25536, 27296, 30708, 32414, 34048, 35826, 38304, 40944, 43776, 47768, 48621, 51072, 53739, 54592, 61416, 64828, 71652, 76608, 81888, 95536, 97242, 102144, 107478, 109184, 113449, 122832, 129656, 143304, 145863, 153216, 163776, 191072, 194484, 214956, 218368, 226898, 245664, 259312, 286608, 291726, 306432, 327552, 340347, 382144, 388968, 429912, 453796, 491328, 518624, 573216, 583452, 655104, 680694, 764288, 777936, 859824, 907592, 982656, 1021041, 1037248, 1146432, 1166904, 1361388, 1528576, 1555872, 1719648, 1815184, 1965312, 2042082, 2074496, 2292864, 2333808, 2722776, 3111744, 3439296, 3630368, 4084164, 4148992, 4585728, 4667616, 5445552, 6223488, 6878592, 7260736, 8168328, 9335232, 10891104, 12446976, 13757184, 14521472, 16336656, 18670464, 21782208, 29042944, 32673312, 37340928, 43564416, 65346624, 87128832, 130693248, 261386496]

約数ペア:

[(1, 261386496), (2, 130693248), (3, 87128832), (4, 65346624), (6, 43564416), (7, 37340928), (8, 32673312), (9, 29042944), (12, 21782208), (14, 18670464), (16, 16336656), (18, 14521472), (19, 13757184), (21, 12446976), (24, 10891104), (28, 9335232), (32, 8168328), (36, 7260736), (38, 6878592), (42, 6223488), (48, 5445552), (56, 4667616), (57, 4585728), (63, 4148992), (64, 4084164), (72, 3630368), (76, 3439296), (84, 3111744), (96, 2722776), (112, 2333808), (114, 2292864), (126, 2074496), (128, 2042082), (133, 1965312), (144, 1815184), (152, 1719648), (168, 1555872), (171, 1528576), (192, 1361388), (224, 1166904), (228, 1146432), (252, 1037248), (256, 1021041), (266, 982656), (288, 907592), (304, 859824), (336, 777936), (342, 764288), (384, 680694), (399, 655104), (448, 583452), (456, 573216), (504, 518624), (532, 491328), (576, 453796), (608, 429912), (672, 388968), (684, 382144), (768, 340347), (798, 327552), (853, 306432), (896, 291726), (912, 286608), (1008, 259312), (1064, 245664), (1152, 226898), (1197, 218368), (1216, 214956), (1344, 194484), (1368, 191072), (1596, 163776), (1706, 153216), (1792, 145863), (1824, 143304), (2016, 129656), (2128, 122832), (2304, 113449), (2394, 109184), (2432, 107478), (2559, 102144), (2688, 97242), (2736, 95536), (3192, 81888), (3412, 76608), (3648, 71652), (4032, 64828), (4256, 61416), (4788, 54592), (4864, 53739), (5118, 51072), (5376, 48621), (5472, 47768), (5971, 43776), (6384, 40944), (6824, 38304), (7296, 35826), (7677, 34048), (8064, 32414), (8512, 30708), (9576, 27296), (10236, 25536), (10944, 23884), (11942, 21888), (12768, 20472), (13648, 19152), (14592, 17913), (15354, 17024), (16128, 16207)]