257347584

素因数分解:

$2^{12}\times 3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 208

約数和(自身を含む): 825652800

約数和(自身を除く): 568305216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 179, 192, 208, 216, 234, 256, 288, 312, 351, 358, 384, 416, 432, 468, 512, 537, 576, 624, 702, 716, 768, 832, 864, 936, 1024, 1074, 1152, 1248, 1404, 1432, 1536, 1611, 1664, 1728, 1872, 2048, 2148, 2304, 2327, 2496, 2808, 2864, 3072, 3222, 3328, 3456, 3744, 4096, 4296, 4608, 4654, 4833, 4992, 5616, 5728, 6144, 6444, 6656, 6912, 6981, 7488, 8592, 9216, 9308, 9666, 9984, 11232, 11456, 12288, 12888, 13312, 13824, 13962, 14976, 17184, 18432, 18616, 19332, 19968, 20943, 22464, 22912, 25776, 26624, 27648, 27924, 29952, 34368, 36864, 37232, 38664, 39936, 41886, 44928, 45824, 51552, 53248, 55296, 55848, 59904, 62829, 68736, 74464, 77328, 79872, 83772, 89856, 91648, 103104, 110592, 111696, 119808, 125658, 137472, 148928, 154656, 159744, 167544, 179712, 183296, 206208, 223392, 239616, 251316, 274944, 297856, 309312, 335088, 359424, 366592, 412416, 446784, 479232, 502632, 549888, 595712, 618624, 670176, 718848, 733184, 824832, 893568, 1005264, 1099776, 1191424, 1237248, 1340352, 1437696, 1649664, 1787136, 2010528, 2199552, 2382848, 2474496, 2680704, 3299328, 3574272, 4021056, 4765696, 4948992, 5361408, 6598656, 7148544, 8042112, 9531392, 9897984, 10722816, 14297088, 16084224, 19795968, 21445632, 28594176, 32168448, 42891264, 64336896, 85782528, 128673792, 257347584]

約数ペア:

[(1, 257347584), (2, 128673792), (3, 85782528), (4, 64336896), (6, 42891264), (8, 32168448), (9, 28594176), (12, 21445632), (13, 19795968), (16, 16084224), (18, 14297088), (24, 10722816), (26, 9897984), (27, 9531392), (32, 8042112), (36, 7148544), (39, 6598656), (48, 5361408), (52, 4948992), (54, 4765696), (64, 4021056), (72, 3574272), (78, 3299328), (96, 2680704), (104, 2474496), (108, 2382848), (117, 2199552), (128, 2010528), (144, 1787136), (156, 1649664), (179, 1437696), (192, 1340352), (208, 1237248), (216, 1191424), (234, 1099776), (256, 1005264), (288, 893568), (312, 824832), (351, 733184), (358, 718848), (384, 670176), (416, 618624), (432, 595712), (468, 549888), (512, 502632), (537, 479232), (576, 446784), (624, 412416), (702, 366592), (716, 359424), (768, 335088), (832, 309312), (864, 297856), (936, 274944), (1024, 251316), (1074, 239616), (1152, 223392), (1248, 206208), (1404, 183296), (1432, 179712), (1536, 167544), (1611, 159744), (1664, 154656), (1728, 148928), (1872, 137472), (2048, 125658), (2148, 119808), (2304, 111696), (2327, 110592), (2496, 103104), (2808, 91648), (2864, 89856), (3072, 83772), (3222, 79872), (3328, 77328), (3456, 74464), (3744, 68736), (4096, 62829), (4296, 59904), (4608, 55848), (4654, 55296), (4833, 53248), (4992, 51552), (5616, 45824), (5728, 44928), (6144, 41886), (6444, 39936), (6656, 38664), (6912, 37232), (6981, 36864), (7488, 34368), (8592, 29952), (9216, 27924), (9308, 27648), (9666, 26624), (9984, 25776), (11232, 22912), (11456, 22464), (12288, 20943), (12888, 19968), (13312, 19332), (13824, 18616), (13962, 18432), (14976, 17184)]