28704420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159469}}^1$

素因数の和:159484

約数の個数: 36

約数和(自身を含む): 87070620

約数和(自身を除く): 58366200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159469, 318938, 478407, 637876, 797345, 956814, 1435221, 1594690, 1913628, 2392035, 2870442, 3189380, 4784070, 5740884, 7176105, 9568140, 14352210, 28704420]

約数ペア:

[(1, 28704420), (2, 14352210), (3, 9568140), (4, 7176105), (5, 5740884), (6, 4784070), (9, 3189380), (10, 2870442), (12, 2392035), (15, 1913628), (18, 1594690), (20, 1435221), (30, 956814), (36, 797345), (45, 637876), (60, 478407), (90, 318938), (180, 159469)]