18170640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25237}}^1$

素因数の和:25256

約数の個数: 60

約数和(自身を含む): 61025484

約数和(自身を除く): 42854844

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25237, 50474, 75711, 100948, 126185, 151422, 201896, 227133, 252370, 302844, 378555, 403792, 454266, 504740, 605688, 757110, 908532, 1009480, 1135665, 1211376, 1514220, 1817064, 2018960, 2271330, 3028440, 3634128, 4542660, 6056880, 9085320, 18170640]

約数ペア:

[(1, 18170640), (2, 9085320), (3, 6056880), (4, 4542660), (5, 3634128), (6, 3028440), (8, 2271330), (9, 2018960), (10, 1817064), (12, 1514220), (15, 1211376), (16, 1135665), (18, 1009480), (20, 908532), (24, 757110), (30, 605688), (36, 504740), (40, 454266), (45, 403792), (48, 378555), (60, 302844), (72, 252370), (80, 227133), (90, 201896), (120, 151422), (144, 126185), (180, 100948), (240, 75711), (360, 50474), (720, 25237)]