405948420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2255269}}^1$

素因数の和:2255284

約数の個数: 36

約数和(自身を含む): 1231377420

約数和(自身を除く): 825429000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2255269, 4510538, 6765807, 9021076, 11276345, 13531614, 20297421, 22552690, 27063228, 33829035, 40594842, 45105380, 67658070, 81189684, 101487105, 135316140, 202974210, 405948420]

約数ペア:

[(1, 405948420), (2, 202974210), (3, 135316140), (4, 101487105), (5, 81189684), (6, 67658070), (9, 45105380), (10, 40594842), (12, 33829035), (15, 27063228), (18, 22552690), (20, 20297421), (30, 13531614), (36, 11276345), (45, 9021076), (60, 6765807), (90, 4510538), (180, 2255269)]