164257520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2298

約数の個数: 80

約数和(自身を含む): 439846848

約数和(自身を除く): 275589328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 959, 1096, 1370, 1918, 2141, 2192, 2740, 3836, 4282, 4795, 5480, 7672, 8564, 9590, 10705, 10960, 14987, 15344, 17128, 19180, 21410, 29974, 34256, 38360, 42820, 59948, 74935, 76720, 85640, 119896, 149870, 171280, 239792, 293317, 299740, 586634, 599480, 1173268, 1198960, 1466585, 2053219, 2346536, 2933170, 4106438, 4693072, 5866340, 8212876, 10266095, 11732680, 16425752, 20532190, 23465360, 32851504, 41064380, 82128760, 164257520]

約数ペア:

[(1, 164257520), (2, 82128760), (4, 41064380), (5, 32851504), (7, 23465360), (8, 20532190), (10, 16425752), (14, 11732680), (16, 10266095), (20, 8212876), (28, 5866340), (35, 4693072), (40, 4106438), (56, 2933170), (70, 2346536), (80, 2053219), (112, 1466585), (137, 1198960), (140, 1173268), (274, 599480), (280, 586634), (548, 299740), (560, 293317), (685, 239792), (959, 171280), (1096, 149870), (1370, 119896), (1918, 85640), (2141, 76720), (2192, 74935), (2740, 59948), (3836, 42820), (4282, 38360), (4795, 34256), (5480, 29974), (7672, 21410), (8564, 19180), (9590, 17128), (10705, 15344), (10960, 14987)]