81630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{907}}^1$

素因数の和:920

約数の個数: 24

約数和(自身を含む): 212472

約数和(自身を除く): 130842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 907, 1814, 2721, 4535, 5442, 8163, 9070, 13605, 16326, 27210, 40815, 81630]

約数ペア:

[(1, 81630), (2, 40815), (3, 27210), (5, 16326), (6, 13605), (9, 9070), (10, 8163), (15, 5442), (18, 4535), (30, 2721), (45, 1814), (90, 907)]