81315696

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 160

約数和(自身を含む): 267840000

約数和(自身を除く): 186524304

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 168, 176, 196, 231, 264, 294, 308, 336, 343, 392, 449, 462, 528, 539, 588, 616, 686, 784, 898, 924, 1029, 1078, 1176, 1232, 1347, 1372, 1617, 1796, 1848, 2058, 2156, 2352, 2694, 2744, 3143, 3234, 3592, 3696, 3773, 4116, 4312, 4939, 5388, 5488, 6286, 6468, 7184, 7546, 8232, 8624, 9429, 9878, 10776, 11319, 12572, 12936, 14817, 15092, 16464, 18858, 19756, 21552, 22001, 22638, 25144, 25872, 29634, 30184, 34573, 37716, 39512, 44002, 45276, 50288, 59268, 60368, 66003, 69146, 75432, 79024, 88004, 90552, 103719, 118536, 132006, 138292, 150864, 154007, 176008, 181104, 207438, 237072, 242011, 264012, 276584, 308014, 352016, 414876, 462021, 484022, 528024, 553168, 616028, 726033, 829752, 924042, 968044, 1056048, 1232056, 1452066, 1659504, 1694077, 1848084, 1936088, 2464112, 2904132, 3388154, 3696168, 3872176, 5082231, 5808264, 6776308, 7392336, 10164462, 11616528, 13552616, 20328924, 27105232, 40657848, 81315696]

約数ペア:

[(1, 81315696), (2, 40657848), (3, 27105232), (4, 20328924), (6, 13552616), (7, 11616528), (8, 10164462), (11, 7392336), (12, 6776308), (14, 5808264), (16, 5082231), (21, 3872176), (22, 3696168), (24, 3388154), (28, 2904132), (33, 2464112), (42, 1936088), (44, 1848084), (48, 1694077), (49, 1659504), (56, 1452066), (66, 1232056), (77, 1056048), (84, 968044), (88, 924042), (98, 829752), (112, 726033), (132, 616028), (147, 553168), (154, 528024), (168, 484022), (176, 462021), (196, 414876), (231, 352016), (264, 308014), (294, 276584), (308, 264012), (336, 242011), (343, 237072), (392, 207438), (449, 181104), (462, 176008), (528, 154007), (539, 150864), (588, 138292), (616, 132006), (686, 118536), (784, 103719), (898, 90552), (924, 88004), (1029, 79024), (1078, 75432), (1176, 69146), (1232, 66003), (1347, 60368), (1372, 59268), (1617, 50288), (1796, 45276), (1848, 44002), (2058, 39512), (2156, 37716), (2352, 34573), (2694, 30184), (2744, 29634), (3143, 25872), (3234, 25144), (3592, 22638), (3696, 22001), (3773, 21552), (4116, 19756), (4312, 18858), (4939, 16464), (5388, 15092), (5488, 14817), (6286, 12936), (6468, 12572), (7184, 11319), (7546, 10776), (8232, 9878), (8624, 9429)]