156985774480

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1021}}^1\times {\mathrm{2341}}^1$

素因数の和:4196

約数の個数: 80

約数和(自身を含む): 365950671408

約数和(自身を除く): 208964896928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1021, 1642, 2042, 2341, 3284, 4084, 4105, 4682, 5105, 6568, 8168, 8210, 9364, 10210, 11705, 13136, 16336, 16420, 18728, 20420, 23410, 32840, 37456, 40840, 46820, 65680, 81680, 93640, 187280, 838241, 1676482, 1921961, 2390161, 3352964, 3843922, 4191205, 4780322, 6705928, 7687844, 8382410, 9560644, 9609805, 11950805, 13411856, 15375688, 16764820, 19121288, 19219610, 23901610, 30751376, 33529640, 38242576, 38439220, 47803220, 67059280, 76878440, 95606440, 153756880, 191212880, 1962322181, 3924644362, 7849288724, 9811610905, 15698577448, 19623221810, 31397154896, 39246443620, 78492887240, 156985774480]

約数ペア:

[(1, 156985774480), (2, 78492887240), (4, 39246443620), (5, 31397154896), (8, 19623221810), (10, 15698577448), (16, 9811610905), (20, 7849288724), (40, 3924644362), (80, 1962322181), (821, 191212880), (1021, 153756880), (1642, 95606440), (2042, 76878440), (2341, 67059280), (3284, 47803220), (4084, 38439220), (4105, 38242576), (4682, 33529640), (5105, 30751376), (6568, 23901610), (8168, 19219610), (8210, 19121288), (9364, 16764820), (10210, 15375688), (11705, 13411856), (13136, 11950805), (16336, 9609805), (16420, 9560644), (18728, 8382410), (20420, 7687844), (23410, 6705928), (32840, 4780322), (37456, 4191205), (40840, 3843922), (46820, 3352964), (65680, 2390161), (81680, 1921961), (93640, 1676482), (187280, 838241)]