18147080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64811}}^1$

素因数の和:64829

約数の個数: 32

約数和(自身を含む): 46664640

約数和(自身を除く): 28517560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64811, 129622, 259244, 324055, 453677, 518488, 648110, 907354, 1296220, 1814708, 2268385, 2592440, 3629416, 4536770, 9073540, 18147080]

約数ペア:

[(1, 18147080), (2, 9073540), (4, 4536770), (5, 3629416), (7, 2592440), (8, 2268385), (10, 1814708), (14, 1296220), (20, 907354), (28, 648110), (35, 518488), (40, 453677), (56, 324055), (70, 259244), (140, 129622), (280, 64811)]