251551872

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 256

約数和(自身を含む): 873936000

約数和(自身を除く): 622384128

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 44, 48, 52, 54, 64, 66, 72, 78, 88, 96, 99, 104, 108, 117, 128, 132, 143, 144, 156, 176, 192, 198, 208, 216, 234, 264, 286, 288, 297, 312, 351, 352, 384, 396, 416, 429, 432, 468, 509, 528, 572, 576, 594, 624, 702, 704, 792, 832, 858, 864, 936, 1018, 1056, 1144, 1152, 1188, 1248, 1287, 1404, 1408, 1527, 1584, 1664, 1716, 1728, 1872, 2036, 2112, 2288, 2376, 2496, 2574, 2808, 3054, 3168, 3432, 3456, 3744, 3861, 4072, 4224, 4576, 4581, 4752, 4992, 5148, 5599, 5616, 6108, 6336, 6617, 6864, 7488, 7722, 8144, 9152, 9162, 9504, 10296, 11198, 11232, 12216, 12672, 13234, 13728, 13743, 14976, 15444, 16288, 16797, 18304, 18324, 19008, 19851, 20592, 22396, 22464, 24432, 26468, 27456, 27486, 30888, 32576, 33594, 36648, 38016, 39702, 41184, 44792, 44928, 48864, 50391, 52936, 54912, 54972, 59553, 61776, 65152, 67188, 72787, 73296, 79404, 82368, 89584, 97728, 100782, 105872, 109944, 119106, 123552, 134376, 145574, 146592, 151173, 158808, 164736, 178659, 179168, 195456, 201564, 211744, 218361, 219888, 238212, 247104, 268752, 291148, 293184, 302346, 317616, 357318, 358336, 403128, 423488, 436722, 439776, 476424, 494208, 537504, 582296, 586368, 604692, 635232, 655083, 714636, 716672, 806256, 846976, 873444, 879552, 952848, 1075008, 1164592, 1209384, 1270464, 1310166, 1429272, 1612512, 1746888, 1759104, 1905696, 1965249, 2150016, 2329184, 2418768, 2540928, 2620332, 2858544, 3225024, 3493776, 3811392, 3930498, 4658368, 4837536, 5240664, 5717088, 6450048, 6987552, 7622784, 7860996, 9316736, 9675072, 10481328, 11434176, 13975104, 15721992, 19350144, 20962656, 22868352, 27950208, 31443984, 41925312, 62887968, 83850624, 125775936, 251551872]

約数ペア:

[(1, 251551872), (2, 125775936), (3, 83850624), (4, 62887968), (6, 41925312), (8, 31443984), (9, 27950208), (11, 22868352), (12, 20962656), (13, 19350144), (16, 15721992), (18, 13975104), (22, 11434176), (24, 10481328), (26, 9675072), (27, 9316736), (32, 7860996), (33, 7622784), (36, 6987552), (39, 6450048), (44, 5717088), (48, 5240664), (52, 4837536), (54, 4658368), (64, 3930498), (66, 3811392), (72, 3493776), (78, 3225024), (88, 2858544), (96, 2620332), (99, 2540928), (104, 2418768), (108, 2329184), (117, 2150016), (128, 1965249), (132, 1905696), (143, 1759104), (144, 1746888), (156, 1612512), (176, 1429272), (192, 1310166), (198, 1270464), (208, 1209384), (216, 1164592), (234, 1075008), (264, 952848), (286, 879552), (288, 873444), (297, 846976), (312, 806256), (351, 716672), (352, 714636), (384, 655083), (396, 635232), (416, 604692), (429, 586368), (432, 582296), (468, 537504), (509, 494208), (528, 476424), (572, 439776), (576, 436722), (594, 423488), (624, 403128), (702, 358336), (704, 357318), (792, 317616), (832, 302346), (858, 293184), (864, 291148), (936, 268752), (1018, 247104), (1056, 238212), (1144, 219888), (1152, 218361), (1188, 211744), (1248, 201564), (1287, 195456), (1404, 179168), (1408, 178659), (1527, 164736), (1584, 158808), (1664, 151173), (1716, 146592), (1728, 145574), (1872, 134376), (2036, 123552), (2112, 119106), (2288, 109944), (2376, 105872), (2496, 100782), (2574, 97728), (2808, 89584), (3054, 82368), (3168, 79404), (3432, 73296), (3456, 72787), (3744, 67188), (3861, 65152), (4072, 61776), (4224, 59553), (4576, 54972), (4581, 54912), (4752, 52936), (4992, 50391), (5148, 48864), (5599, 44928), (5616, 44792), (6108, 41184), (6336, 39702), (6617, 38016), (6864, 36648), (7488, 33594), (7722, 32576), (8144, 30888), (9152, 27486), (9162, 27456), (9504, 26468), (10296, 24432), (11198, 22464), (11232, 22396), (12216, 20592), (12672, 19851), (13234, 19008), (13728, 18324), (13743, 18304), (14976, 16797), (15444, 16288)]