128020140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{711223}}^1$

素因数の和:711238

約数の個数: 36

約数和(自身を含む): 388328304

約数和(自身を除く): 260308164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 711223, 1422446, 2133669, 2844892, 3556115, 4267338, 6401007, 7112230, 8534676, 10668345, 12802014, 14224460, 21336690, 25604028, 32005035, 42673380, 64010070, 128020140]

約数ペア:

[(1, 128020140), (2, 64010070), (3, 42673380), (4, 32005035), (5, 25604028), (6, 21336690), (9, 14224460), (10, 12802014), (12, 10668345), (15, 8534676), (18, 7112230), (20, 6401007), (30, 4267338), (36, 3556115), (45, 2844892), (60, 2133669), (90, 1422446), (180, 711223)]