81805080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97387}}^1$

素因数の和:97408

約数の個数: 64

約数和(自身を含む): 280477440

約数和(自身を除く): 198672360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97387, 194774, 292161, 389548, 486935, 584322, 681709, 779096, 973870, 1168644, 1363418, 1460805, 1947740, 2045127, 2337288, 2726836, 2921610, 3408545, 3895480, 4090254, 5453672, 5843220, 6817090, 8180508, 10225635, 11686440, 13634180, 16361016, 20451270, 27268360, 40902540, 81805080]

約数ペア:

[(1, 81805080), (2, 40902540), (3, 27268360), (4, 20451270), (5, 16361016), (6, 13634180), (7, 11686440), (8, 10225635), (10, 8180508), (12, 6817090), (14, 5843220), (15, 5453672), (20, 4090254), (21, 3895480), (24, 3408545), (28, 2921610), (30, 2726836), (35, 2337288), (40, 2045127), (42, 1947740), (56, 1460805), (60, 1363418), (70, 1168644), (84, 973870), (105, 779096), (120, 681709), (140, 584322), (168, 486935), (210, 389548), (280, 292161), (420, 194774), (840, 97387)]