201605320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720019}}^1$

素因数の和:720037

約数の個数: 32

約数和(自身を含む): 518414400

約数和(自身を除く): 316809080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720019, 1440038, 2880076, 3600095, 5040133, 5760152, 7200190, 10080266, 14400380, 20160532, 25200665, 28800760, 40321064, 50401330, 100802660, 201605320]

約数ペア:

[(1, 201605320), (2, 100802660), (4, 50401330), (5, 40321064), (7, 28800760), (8, 25200665), (10, 20160532), (14, 14400380), (20, 10080266), (28, 7200190), (35, 5760152), (40, 5040133), (56, 3600095), (70, 2880076), (140, 1440038), (280, 720019)]