81680880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340337}}^1$

素因数の和:340353

約数の個数: 40

約数和(自身を含む): 253211472

約数和(自身を除く): 171530592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340337, 680674, 1021011, 1361348, 1701685, 2042022, 2722696, 3403370, 4084044, 5105055, 5445392, 6806740, 8168088, 10210110, 13613480, 16336176, 20420220, 27226960, 40840440, 81680880]

約数ペア:

[(1, 81680880), (2, 40840440), (3, 27226960), (4, 20420220), (5, 16336176), (6, 13613480), (8, 10210110), (10, 8168088), (12, 6806740), (15, 5445392), (16, 5105055), (20, 4084044), (24, 3403370), (30, 2722696), (40, 2042022), (48, 1701685), (60, 1361348), (80, 1021011), (120, 680674), (240, 340337)]