30988720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55337}}^1$

素因数の和:55357

約数の個数: 40

約数和(自身を含む): 82342944

約数和(自身を除く): 51354224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55337, 110674, 221348, 276685, 387359, 442696, 553370, 774718, 885392, 1106740, 1549436, 1936795, 2213480, 3098872, 3873590, 4426960, 6197744, 7747180, 15494360, 30988720]

約数ペア:

[(1, 30988720), (2, 15494360), (4, 7747180), (5, 6197744), (7, 4426960), (8, 3873590), (10, 3098872), (14, 2213480), (16, 1936795), (20, 1549436), (28, 1106740), (35, 885392), (40, 774718), (56, 553370), (70, 442696), (80, 387359), (112, 276685), (140, 221348), (280, 110674), (560, 55337)]