71706420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398369}}^1$

素因数の和:398384

約数の個数: 36

約数和(自身を含む): 217510020

約数和(自身を除く): 145803600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398369, 796738, 1195107, 1593476, 1991845, 2390214, 3585321, 3983690, 4780428, 5975535, 7170642, 7967380, 11951070, 14341284, 17926605, 23902140, 35853210, 71706420]

約数ペア:

[(1, 71706420), (2, 35853210), (3, 23902140), (4, 17926605), (5, 14341284), (6, 11951070), (9, 7967380), (10, 7170642), (12, 5975535), (15, 4780428), (18, 3983690), (20, 3585321), (30, 2390214), (36, 1991845), (45, 1593476), (60, 1195107), (90, 796738), (180, 398369)]