1296631280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2315413}}^1$

素因数の和:2315433

約数の個数: 40

約数和(自身を含む): 3445336032

約数和(自身を除く): 2148704752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2315413, 4630826, 9261652, 11577065, 16207891, 18523304, 23154130, 32415782, 37046608, 46308260, 64831564, 81039455, 92616520, 129663128, 162078910, 185233040, 259326256, 324157820, 648315640, 1296631280]

約数ペア:

[(1, 1296631280), (2, 648315640), (4, 324157820), (5, 259326256), (7, 185233040), (8, 162078910), (10, 129663128), (14, 92616520), (16, 81039455), (20, 64831564), (28, 46308260), (35, 37046608), (40, 32415782), (56, 23154130), (70, 18523304), (80, 16207891), (112, 11577065), (140, 9261652), (280, 4630826), (560, 2315413)]