81808230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389563}}^1$

素因数の和:389580

約数の個数: 32

約数和(自身を含む): 224388864

約数和(自身を除く): 142580634

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389563, 779126, 1168689, 1947815, 2337378, 2726941, 3895630, 5453882, 5843445, 8180823, 11686890, 13634705, 16361646, 27269410, 40904115, 81808230]

約数ペア:

[(1, 81808230), (2, 40904115), (3, 27269410), (5, 16361646), (6, 13634705), (7, 11686890), (10, 8180823), (14, 5843445), (15, 5453882), (21, 3895630), (30, 2726941), (35, 2337378), (42, 1947815), (70, 1168689), (105, 779126), (210, 389563)]