15565523540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{264091}}^1$

素因数の和:264528

約数の個数: 48

約数和(自身を含む): 37446132864

約数和(自身を除く): 21880609324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 8420, 11788, 14735, 29470, 58940, 264091, 528182, 1056364, 1320455, 1848637, 2640910, 3697274, 5281820, 7394548, 9243185, 18486370, 36972740, 111182311, 222364622, 444729244, 555911555, 778276177, 1111823110, 1556552354, 2223646220, 3113104708, 3891380885, 7782761770, 15565523540]

約数ペア:

[(1, 15565523540), (2, 7782761770), (4, 3891380885), (5, 3113104708), (7, 2223646220), (10, 1556552354), (14, 1111823110), (20, 778276177), (28, 555911555), (35, 444729244), (70, 222364622), (140, 111182311), (421, 36972740), (842, 18486370), (1684, 9243185), (2105, 7394548), (2947, 5281820), (4210, 3697274), (5894, 2640910), (8420, 1848637), (11788, 1320455), (14735, 1056364), (29470, 528182), (58940, 264091)]