160785520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{287117}}^1$

素因数の和:287137

約数の個数: 40

約数和(自身を含む): 427231584

約数和(自身を除く): 266446064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 287117, 574234, 1148468, 1435585, 2009819, 2296936, 2871170, 4019638, 4593872, 5742340, 8039276, 10049095, 11484680, 16078552, 20098190, 22969360, 32157104, 40196380, 80392760, 160785520]

約数ペア:

[(1, 160785520), (2, 80392760), (4, 40196380), (5, 32157104), (7, 22969360), (8, 20098190), (10, 16078552), (14, 11484680), (16, 10049095), (20, 8039276), (28, 5742340), (35, 4593872), (40, 4019638), (56, 2871170), (70, 2296936), (80, 2009819), (112, 1435585), (140, 1148468), (280, 574234), (560, 287117)]