641180120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2289929}}^1$

素因数の和:2289947

約数の個数: 32

約数和(自身を含む): 1648749600

約数和(自身を除く): 1007569480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2289929, 4579858, 9159716, 11449645, 16029503, 18319432, 22899290, 32059006, 45798580, 64118012, 80147515, 91597160, 128236024, 160295030, 320590060, 641180120]

約数ペア:

[(1, 641180120), (2, 320590060), (4, 160295030), (5, 128236024), (7, 91597160), (8, 80147515), (10, 64118012), (14, 45798580), (20, 32059006), (28, 22899290), (35, 18319432), (40, 16029503), (56, 11449645), (70, 9159716), (140, 4579858), (280, 2289929)]