257859072

素因数分解:

$2^9\times 3^3\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 160

約数和(自身を含む): 797448960

約数和(自身を除く): 539589888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 256, 276, 288, 368, 384, 414, 432, 512, 552, 576, 621, 736, 768, 811, 828, 864, 1104, 1152, 1242, 1472, 1536, 1622, 1656, 1728, 2208, 2304, 2433, 2484, 2944, 3244, 3312, 3456, 4416, 4608, 4866, 4968, 5888, 6488, 6624, 6912, 7299, 8832, 9732, 9936, 11776, 12976, 13248, 13824, 14598, 17664, 18653, 19464, 19872, 21897, 25952, 26496, 29196, 35328, 37306, 38928, 39744, 43794, 51904, 52992, 55959, 58392, 74612, 77856, 79488, 87588, 103808, 105984, 111918, 116784, 149224, 155712, 158976, 167877, 175176, 207616, 223836, 233568, 298448, 311424, 317952, 335754, 350352, 415232, 447672, 467136, 503631, 596896, 622848, 671508, 700704, 895344, 934272, 1007262, 1193792, 1245696, 1343016, 1401408, 1790688, 1868544, 2014524, 2387584, 2686032, 2802816, 3581376, 3737088, 4029048, 4775168, 5372064, 5605632, 7162752, 8058096, 9550336, 10744128, 11211264, 14325504, 16116192, 21488256, 28651008, 32232384, 42976512, 64464768, 85953024, 128929536, 257859072]

約数ペア:

[(1, 257859072), (2, 128929536), (3, 85953024), (4, 64464768), (6, 42976512), (8, 32232384), (9, 28651008), (12, 21488256), (16, 16116192), (18, 14325504), (23, 11211264), (24, 10744128), (27, 9550336), (32, 8058096), (36, 7162752), (46, 5605632), (48, 5372064), (54, 4775168), (64, 4029048), (69, 3737088), (72, 3581376), (92, 2802816), (96, 2686032), (108, 2387584), (128, 2014524), (138, 1868544), (144, 1790688), (184, 1401408), (192, 1343016), (207, 1245696), (216, 1193792), (256, 1007262), (276, 934272), (288, 895344), (368, 700704), (384, 671508), (414, 622848), (432, 596896), (512, 503631), (552, 467136), (576, 447672), (621, 415232), (736, 350352), (768, 335754), (811, 317952), (828, 311424), (864, 298448), (1104, 233568), (1152, 223836), (1242, 207616), (1472, 175176), (1536, 167877), (1622, 158976), (1656, 155712), (1728, 149224), (2208, 116784), (2304, 111918), (2433, 105984), (2484, 103808), (2944, 87588), (3244, 79488), (3312, 77856), (3456, 74612), (4416, 58392), (4608, 55959), (4866, 52992), (4968, 51904), (5888, 43794), (6488, 39744), (6624, 38928), (6912, 37306), (7299, 35328), (8832, 29196), (9732, 26496), (9936, 25952), (11776, 21897), (12976, 19872), (13248, 19464), (13824, 18653), (14598, 17664)]