157331440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280949}}^1$

素因数の和:280969

約数の個数: 40

約数和(自身を含む): 418053600

約数和(自身を除く): 260722160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280949, 561898, 1123796, 1404745, 1966643, 2247592, 2809490, 3933286, 4495184, 5618980, 7866572, 9833215, 11237960, 15733144, 19666430, 22475920, 31466288, 39332860, 78665720, 157331440]

約数ペア:

[(1, 157331440), (2, 78665720), (4, 39332860), (5, 31466288), (7, 22475920), (8, 19666430), (10, 15733144), (14, 11237960), (16, 9833215), (20, 7866572), (28, 5618980), (35, 4495184), (40, 3933286), (56, 2809490), (70, 2247592), (80, 1966643), (112, 1404745), (140, 1123796), (280, 561898), (560, 280949)]