81756576

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 256864608

約数和(自身を除く): 175108032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 131, 132, 144, 176, 197, 198, 262, 264, 288, 352, 393, 394, 396, 524, 528, 591, 786, 788, 792, 1048, 1056, 1179, 1182, 1441, 1572, 1576, 1584, 1773, 2096, 2167, 2358, 2364, 2882, 3144, 3152, 3168, 3546, 4192, 4323, 4334, 4716, 4728, 5764, 6288, 6304, 6501, 7092, 8646, 8668, 9432, 9456, 11528, 12576, 12969, 13002, 14184, 17292, 17336, 18864, 18912, 19503, 23056, 25807, 25938, 26004, 28368, 34584, 34672, 37728, 39006, 46112, 51614, 51876, 52008, 56736, 69168, 69344, 77421, 78012, 103228, 103752, 104016, 138336, 154842, 156024, 206456, 207504, 208032, 232263, 283877, 309684, 312048, 412912, 415008, 464526, 567754, 619368, 624096, 825824, 851631, 929052, 1135508, 1238736, 1703262, 1858104, 2271016, 2477472, 2554893, 3406524, 3716208, 4542032, 5109786, 6813048, 7432416, 9084064, 10219572, 13626096, 20439144, 27252192, 40878288, 81756576]

約数ペア:

[(1, 81756576), (2, 40878288), (3, 27252192), (4, 20439144), (6, 13626096), (8, 10219572), (9, 9084064), (11, 7432416), (12, 6813048), (16, 5109786), (18, 4542032), (22, 3716208), (24, 3406524), (32, 2554893), (33, 2477472), (36, 2271016), (44, 1858104), (48, 1703262), (66, 1238736), (72, 1135508), (88, 929052), (96, 851631), (99, 825824), (131, 624096), (132, 619368), (144, 567754), (176, 464526), (197, 415008), (198, 412912), (262, 312048), (264, 309684), (288, 283877), (352, 232263), (393, 208032), (394, 207504), (396, 206456), (524, 156024), (528, 154842), (591, 138336), (786, 104016), (788, 103752), (792, 103228), (1048, 78012), (1056, 77421), (1179, 69344), (1182, 69168), (1441, 56736), (1572, 52008), (1576, 51876), (1584, 51614), (1773, 46112), (2096, 39006), (2167, 37728), (2358, 34672), (2364, 34584), (2882, 28368), (3144, 26004), (3152, 25938), (3168, 25807), (3546, 23056), (4192, 19503), (4323, 18912), (4334, 18864), (4716, 17336), (4728, 17292), (5764, 14184), (6288, 13002), (6304, 12969), (6501, 12576), (7092, 11528), (8646, 9456), (8668, 9432)]