77401980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47779}}^1$

素因数の和:47800

約数の個数: 60

約数和(自身を含む): 242817960

約数和(自身を除く): 165415980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 47779, 95558, 143337, 191116, 238895, 286674, 430011, 477790, 573348, 716685, 860022, 955580, 1290033, 1433370, 1720044, 2150055, 2580066, 2866740, 3870099, 4300110, 5160132, 6450165, 7740198, 8600220, 12900330, 15480396, 19350495, 25800660, 38700990, 77401980]

約数ペア:

[(1, 77401980), (2, 38700990), (3, 25800660), (4, 19350495), (5, 15480396), (6, 12900330), (9, 8600220), (10, 7740198), (12, 6450165), (15, 5160132), (18, 4300110), (20, 3870099), (27, 2866740), (30, 2580066), (36, 2150055), (45, 1720044), (54, 1433370), (60, 1290033), (81, 955580), (90, 860022), (108, 716685), (135, 573348), (162, 477790), (180, 430011), (270, 286674), (324, 238895), (405, 191116), (540, 143337), (810, 95558), (1620, 47779)]