256940544

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1090

約数の個数: 160

約数和(自身を含む): 817090560

約数和(自身を除く): 560150016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 256, 276, 322, 336, 368, 384, 448, 483, 512, 552, 644, 672, 736, 768, 896, 966, 1039, 1104, 1288, 1344, 1472, 1536, 1792, 1932, 2078, 2208, 2576, 2688, 2944, 3117, 3584, 3864, 4156, 4416, 5152, 5376, 5888, 6234, 7273, 7728, 8312, 8832, 10304, 10752, 11776, 12468, 14546, 15456, 16624, 17664, 20608, 21819, 23897, 24936, 29092, 30912, 33248, 35328, 41216, 43638, 47794, 49872, 58184, 61824, 66496, 71691, 82432, 87276, 95588, 99744, 116368, 123648, 132992, 143382, 167279, 174552, 191176, 199488, 232736, 247296, 265984, 286764, 334558, 349104, 382352, 398976, 465472, 501837, 531968, 573528, 669116, 698208, 764704, 797952, 930944, 1003674, 1147056, 1338232, 1396416, 1529408, 1595904, 1861888, 2007348, 2294112, 2676464, 2792832, 3058816, 3723776, 4014696, 4588224, 5352928, 5585664, 6117632, 8029392, 9176448, 10705856, 11171328, 12235264, 16058784, 18352896, 21411712, 32117568, 36705792, 42823424, 64235136, 85646848, 128470272, 256940544]

約数ペア:

[(1, 256940544), (2, 128470272), (3, 85646848), (4, 64235136), (6, 42823424), (7, 36705792), (8, 32117568), (12, 21411712), (14, 18352896), (16, 16058784), (21, 12235264), (23, 11171328), (24, 10705856), (28, 9176448), (32, 8029392), (42, 6117632), (46, 5585664), (48, 5352928), (56, 4588224), (64, 4014696), (69, 3723776), (84, 3058816), (92, 2792832), (96, 2676464), (112, 2294112), (128, 2007348), (138, 1861888), (161, 1595904), (168, 1529408), (184, 1396416), (192, 1338232), (224, 1147056), (256, 1003674), (276, 930944), (322, 797952), (336, 764704), (368, 698208), (384, 669116), (448, 573528), (483, 531968), (512, 501837), (552, 465472), (644, 398976), (672, 382352), (736, 349104), (768, 334558), (896, 286764), (966, 265984), (1039, 247296), (1104, 232736), (1288, 199488), (1344, 191176), (1472, 174552), (1536, 167279), (1792, 143382), (1932, 132992), (2078, 123648), (2208, 116368), (2576, 99744), (2688, 95588), (2944, 87276), (3117, 82432), (3584, 71691), (3864, 66496), (4156, 61824), (4416, 58184), (5152, 49872), (5376, 47794), (5888, 43638), (6234, 41216), (7273, 35328), (7728, 33248), (8312, 30912), (8832, 29092), (10304, 24936), (10752, 23897), (11776, 21819), (12468, 20608), (14546, 17664), (15456, 16624)]