165721320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{460337}}^1$

素因数の和:460354

約数の個数: 48

約数和(自身を含む): 538595460

約数和(自身を除く): 372874140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 460337, 920674, 1381011, 1841348, 2301685, 2762022, 3682696, 4143033, 4603370, 5524044, 6905055, 8286066, 9206740, 11048088, 13810110, 16572132, 18413480, 20715165, 27620220, 33144264, 41430330, 55240440, 82860660, 165721320]

約数ペア:

[(1, 165721320), (2, 82860660), (3, 55240440), (4, 41430330), (5, 33144264), (6, 27620220), (8, 20715165), (9, 18413480), (10, 16572132), (12, 13810110), (15, 11048088), (18, 9206740), (20, 8286066), (24, 6905055), (30, 5524044), (36, 4603370), (40, 4143033), (45, 3682696), (60, 2762022), (72, 2301685), (90, 1841348), (120, 1381011), (180, 920674), (360, 460337)]