257163984

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:900

約数の個数: 240

約数和(自身を含む): 931607040

約数和(自身を除く): 674443056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 231, 243, 252, 264, 297, 308, 324, 336, 378, 396, 432, 462, 486, 504, 528, 567, 594, 616, 648, 693, 756, 792, 859, 891, 924, 972, 1008, 1134, 1188, 1232, 1296, 1386, 1512, 1584, 1701, 1718, 1782, 1848, 1944, 2079, 2268, 2376, 2577, 2673, 2772, 3024, 3402, 3436, 3564, 3696, 3888, 4158, 4536, 4752, 5154, 5346, 5544, 6013, 6237, 6804, 6872, 7128, 7731, 8316, 9072, 9449, 10308, 10692, 11088, 12026, 12474, 13608, 13744, 14256, 15462, 16632, 18039, 18711, 18898, 20616, 21384, 23193, 24052, 24948, 27216, 28347, 30924, 33264, 36078, 37422, 37796, 41232, 42768, 46386, 48104, 49896, 54117, 56694, 61848, 66143, 69579, 72156, 74844, 75592, 85041, 92772, 96208, 99792, 108234, 113388, 123696, 132286, 139158, 144312, 149688, 151184, 162351, 170082, 185544, 198429, 208737, 216468, 226776, 255123, 264572, 278316, 288624, 299376, 324702, 340164, 371088, 396858, 417474, 432936, 453552, 487053, 510246, 529144, 556632, 595287, 649404, 680328, 765369, 793716, 834948, 865872, 974106, 1020492, 1058288, 1113264, 1190574, 1298808, 1360656, 1461159, 1530738, 1587432, 1669896, 1785861, 1948212, 2040984, 2296107, 2381148, 2597616, 2922318, 3061476, 3174864, 3339792, 3571722, 3896424, 4081968, 4592214, 4762296, 5357583, 5844636, 6122952, 7143444, 7792848, 9184428, 9524592, 10715166, 11689272, 12245904, 14286888, 16072749, 18368856, 21430332, 23378544, 28573776, 32145498, 36737712, 42860664, 64290996, 85721328, 128581992, 257163984]

約数ペア:

[(1, 257163984), (2, 128581992), (3, 85721328), (4, 64290996), (6, 42860664), (7, 36737712), (8, 32145498), (9, 28573776), (11, 23378544), (12, 21430332), (14, 18368856), (16, 16072749), (18, 14286888), (21, 12245904), (22, 11689272), (24, 10715166), (27, 9524592), (28, 9184428), (33, 7792848), (36, 7143444), (42, 6122952), (44, 5844636), (48, 5357583), (54, 4762296), (56, 4592214), (63, 4081968), (66, 3896424), (72, 3571722), (77, 3339792), (81, 3174864), (84, 3061476), (88, 2922318), (99, 2597616), (108, 2381148), (112, 2296107), (126, 2040984), (132, 1948212), (144, 1785861), (154, 1669896), (162, 1587432), (168, 1530738), (176, 1461159), (189, 1360656), (198, 1298808), (216, 1190574), (231, 1113264), (243, 1058288), (252, 1020492), (264, 974106), (297, 865872), (308, 834948), (324, 793716), (336, 765369), (378, 680328), (396, 649404), (432, 595287), (462, 556632), (486, 529144), (504, 510246), (528, 487053), (567, 453552), (594, 432936), (616, 417474), (648, 396858), (693, 371088), (756, 340164), (792, 324702), (859, 299376), (891, 288624), (924, 278316), (972, 264572), (1008, 255123), (1134, 226776), (1188, 216468), (1232, 208737), (1296, 198429), (1386, 185544), (1512, 170082), (1584, 162351), (1701, 151184), (1718, 149688), (1782, 144312), (1848, 139158), (1944, 132286), (2079, 123696), (2268, 113388), (2376, 108234), (2577, 99792), (2673, 96208), (2772, 92772), (3024, 85041), (3402, 75592), (3436, 74844), (3564, 72156), (3696, 69579), (3888, 66143), (4158, 61848), (4536, 56694), (4752, 54117), (5154, 49896), (5346, 48104), (5544, 46386), (6013, 42768), (6237, 41232), (6804, 37796), (6872, 37422), (7128, 36078), (7731, 33264), (8316, 30924), (9072, 28347), (9449, 27216), (10308, 24948), (10692, 24052), (11088, 23193), (12026, 21384), (12474, 20616), (13608, 18898), (13744, 18711), (14256, 18039), (15462, 16632)]