166678960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{297641}}^1$

素因数の和:297661

約数の個数: 40

約数和(自身を含む): 442891296

約数和(自身を除く): 276212336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 297641, 595282, 1190564, 1488205, 2083487, 2381128, 2976410, 4166974, 4762256, 5952820, 8333948, 10417435, 11905640, 16667896, 20834870, 23811280, 33335792, 41669740, 83339480, 166678960]

約数ペア:

[(1, 166678960), (2, 83339480), (4, 41669740), (5, 33335792), (7, 23811280), (8, 20834870), (10, 16667896), (14, 11905640), (16, 10417435), (20, 8333948), (28, 5952820), (35, 4762256), (40, 4166974), (56, 2976410), (70, 2381128), (80, 2083487), (112, 1488205), (140, 1190564), (280, 595282), (560, 297641)]