128868320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{115061}}^1$

素因数の和:115083

約数の個数: 48

約数和(自身を含む): 347947488

約数和(自身を除く): 219079168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 115061, 230122, 460244, 575305, 805427, 920488, 1150610, 1610854, 1840976, 2301220, 3221708, 3681952, 4027135, 4602440, 6443416, 8054270, 9204880, 12886832, 16108540, 18409760, 25773664, 32217080, 64434160, 128868320]

約数ペア:

[(1, 128868320), (2, 64434160), (4, 32217080), (5, 25773664), (7, 18409760), (8, 16108540), (10, 12886832), (14, 9204880), (16, 8054270), (20, 6443416), (28, 4602440), (32, 4027135), (35, 3681952), (40, 3221708), (56, 2301220), (70, 1840976), (80, 1610854), (112, 1150610), (140, 920488), (160, 805427), (224, 575305), (280, 460244), (560, 230122), (1120, 115061)]