81828810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129887}}^1$

素因数の和:129907

約数の個数: 48

約数和(自身を含む): 243150336

約数和(自身を除く): 161321526

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 129887, 259774, 389661, 649435, 779322, 909209, 1168983, 1298870, 1818418, 1948305, 2337966, 2727627, 3896610, 4546045, 5455254, 5844915, 8182881, 9092090, 11689830, 13638135, 16365762, 27276270, 40914405, 81828810]

約数ペア:

[(1, 81828810), (2, 40914405), (3, 27276270), (5, 16365762), (6, 13638135), (7, 11689830), (9, 9092090), (10, 8182881), (14, 5844915), (15, 5455254), (18, 4546045), (21, 3896610), (30, 2727627), (35, 2337966), (42, 1948305), (45, 1818418), (63, 1298870), (70, 1168983), (90, 909209), (105, 779322), (126, 649435), (210, 389661), (315, 259774), (630, 129887)]