157425520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281117}}^1$

素因数の和:281137

約数の個数: 40

約数和(自身を含む): 418303584

約数和(自身を除く): 260878064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281117, 562234, 1124468, 1405585, 1967819, 2248936, 2811170, 3935638, 4497872, 5622340, 7871276, 9839095, 11244680, 15742552, 19678190, 22489360, 31485104, 39356380, 78712760, 157425520]

約数ペア:

[(1, 157425520), (2, 78712760), (4, 39356380), (5, 31485104), (7, 22489360), (8, 19678190), (10, 15742552), (14, 11244680), (16, 9839095), (20, 7871276), (28, 5622340), (35, 4497872), (40, 3935638), (56, 2811170), (70, 2248936), (80, 1967819), (112, 1405585), (140, 1124468), (280, 562234), (560, 281117)]