131272740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{729293}}^1$

素因数の和:729308

約数の個数: 36

約数和(自身を含む): 398194524

約数和(自身を除く): 266921784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 729293, 1458586, 2187879, 2917172, 3646465, 4375758, 6563637, 7292930, 8751516, 10939395, 13127274, 14585860, 21878790, 26254548, 32818185, 43757580, 65636370, 131272740]

約数ペア:

[(1, 131272740), (2, 65636370), (3, 43757580), (4, 32818185), (5, 26254548), (6, 21878790), (9, 14585860), (10, 13127274), (12, 10939395), (15, 8751516), (18, 7292930), (20, 6563637), (30, 4375758), (36, 3646465), (45, 2917172), (60, 2187879), (90, 1458586), (180, 729293)]