256866624

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:530

約数の個数: 252

約数和(自身を含む): 903427200

約数和(自身を除く): 646560576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 64, 72, 76, 84, 96, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 192, 196, 224, 228, 252, 266, 288, 294, 304, 336, 342, 392, 399, 441, 448, 456, 479, 504, 532, 576, 588, 608, 672, 684, 784, 798, 882, 912, 931, 958, 1008, 1064, 1176, 1197, 1216, 1344, 1368, 1437, 1568, 1596, 1764, 1824, 1862, 1916, 2016, 2128, 2352, 2394, 2736, 2793, 2874, 3136, 3192, 3353, 3528, 3648, 3724, 3832, 4032, 4256, 4311, 4704, 4788, 5472, 5586, 5748, 6384, 6706, 7056, 7448, 7664, 8379, 8512, 8622, 9101, 9408, 9576, 10059, 10944, 11172, 11496, 12768, 13412, 14112, 14896, 15328, 16758, 17244, 18202, 19152, 20118, 22344, 22992, 23471, 25536, 26824, 27303, 28224, 29792, 30177, 30656, 33516, 34488, 36404, 38304, 40236, 44688, 45984, 46942, 53648, 54606, 59584, 60354, 63707, 67032, 68976, 70413, 72808, 76608, 80472, 81909, 89376, 91968, 93884, 107296, 109212, 120708, 127414, 134064, 137952, 140826, 145616, 160944, 163818, 178752, 187768, 191121, 211239, 214592, 218424, 241416, 254828, 268128, 275904, 281652, 291232, 321888, 327636, 375536, 382242, 422478, 436848, 445949, 482832, 509656, 536256, 563304, 573363, 582464, 643776, 655272, 751072, 764484, 844956, 873696, 891898, 965664, 1019312, 1126608, 1146726, 1310544, 1337847, 1502144, 1528968, 1689912, 1747392, 1783796, 1931328, 2038624, 2253216, 2293452, 2621088, 2675694, 3057936, 3379824, 3567592, 4013541, 4077248, 4506432, 4586904, 5242176, 5351388, 6115872, 6759648, 7135184, 8027082, 9173808, 10702776, 12231744, 13519296, 14270368, 16054164, 18347616, 21405552, 28540736, 32108328, 36695232, 42811104, 64216656, 85622208, 128433312, 256866624]

約数ペア:

[(1, 256866624), (2, 128433312), (3, 85622208), (4, 64216656), (6, 42811104), (7, 36695232), (8, 32108328), (9, 28540736), (12, 21405552), (14, 18347616), (16, 16054164), (18, 14270368), (19, 13519296), (21, 12231744), (24, 10702776), (28, 9173808), (32, 8027082), (36, 7135184), (38, 6759648), (42, 6115872), (48, 5351388), (49, 5242176), (56, 4586904), (57, 4506432), (63, 4077248), (64, 4013541), (72, 3567592), (76, 3379824), (84, 3057936), (96, 2675694), (98, 2621088), (112, 2293452), (114, 2253216), (126, 2038624), (133, 1931328), (144, 1783796), (147, 1747392), (152, 1689912), (168, 1528968), (171, 1502144), (192, 1337847), (196, 1310544), (224, 1146726), (228, 1126608), (252, 1019312), (266, 965664), (288, 891898), (294, 873696), (304, 844956), (336, 764484), (342, 751072), (392, 655272), (399, 643776), (441, 582464), (448, 573363), (456, 563304), (479, 536256), (504, 509656), (532, 482832), (576, 445949), (588, 436848), (608, 422478), (672, 382242), (684, 375536), (784, 327636), (798, 321888), (882, 291232), (912, 281652), (931, 275904), (958, 268128), (1008, 254828), (1064, 241416), (1176, 218424), (1197, 214592), (1216, 211239), (1344, 191121), (1368, 187768), (1437, 178752), (1568, 163818), (1596, 160944), (1764, 145616), (1824, 140826), (1862, 137952), (1916, 134064), (2016, 127414), (2128, 120708), (2352, 109212), (2394, 107296), (2736, 93884), (2793, 91968), (2874, 89376), (3136, 81909), (3192, 80472), (3353, 76608), (3528, 72808), (3648, 70413), (3724, 68976), (3832, 67032), (4032, 63707), (4256, 60354), (4311, 59584), (4704, 54606), (4788, 53648), (5472, 46942), (5586, 45984), (5748, 44688), (6384, 40236), (6706, 38304), (7056, 36404), (7448, 34488), (7664, 33516), (8379, 30656), (8512, 30177), (8622, 29792), (9101, 28224), (9408, 27303), (9576, 26824), (10059, 25536), (10944, 23471), (11172, 22992), (11496, 22344), (12768, 20118), (13412, 19152), (14112, 18202), (14896, 17244), (15328, 16758)]