161570220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{384691}}^1$

素因数の和:384710

約数の個数: 48

約数和(自身を含む): 517026048

約数和(自身を除く): 355455828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 384691, 769382, 1154073, 1538764, 1923455, 2308146, 2692837, 3846910, 4616292, 5385674, 5770365, 7693820, 8078511, 10771348, 11540730, 13464185, 16157022, 23081460, 26928370, 32314044, 40392555, 53856740, 80785110, 161570220]

約数ペア:

[(1, 161570220), (2, 80785110), (3, 53856740), (4, 40392555), (5, 32314044), (6, 26928370), (7, 23081460), (10, 16157022), (12, 13464185), (14, 11540730), (15, 10771348), (20, 8078511), (21, 7693820), (28, 5770365), (30, 5385674), (35, 4616292), (42, 3846910), (60, 2692837), (70, 2308146), (84, 1923455), (105, 1538764), (140, 1154073), (210, 769382), (420, 384691)]