15434420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 33663168

約数和(自身を除く): 18228748

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 137, 172, 215, 262, 274, 430, 524, 548, 655, 685, 860, 1310, 1370, 2620, 2740, 5633, 5891, 11266, 11782, 17947, 22532, 23564, 28165, 29455, 35894, 56330, 58910, 71788, 89735, 112660, 117820, 179470, 358940, 771721, 1543442, 3086884, 3858605, 7717210, 15434420]

約数ペア:

[(1, 15434420), (2, 7717210), (4, 3858605), (5, 3086884), (10, 1543442), (20, 771721), (43, 358940), (86, 179470), (131, 117820), (137, 112660), (172, 89735), (215, 71788), (262, 58910), (274, 56330), (430, 35894), (524, 29455), (548, 28165), (655, 23564), (685, 22532), (860, 17947), (1310, 11782), (1370, 11266), (2620, 5891), (2740, 5633)]