180264980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1287607}}^1$

素因数の和:1287623

約数の個数: 24

約数和(自身を含む): 432636288

約数和(自身を除く): 252371308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1287607, 2575214, 5150428, 6438035, 9013249, 12876070, 18026498, 25752140, 36052996, 45066245, 90132490, 180264980]

約数ペア:

[(1, 180264980), (2, 90132490), (4, 45066245), (5, 36052996), (7, 25752140), (10, 18026498), (14, 12876070), (20, 9013249), (28, 6438035), (35, 5150428), (70, 2575214), (140, 1287607)]