64493660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41879}}^1$

素因数の和:41906

約数の個数: 48

約数和(自身を含む): 168860160

約数和(自身を除く): 104366500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41879, 83758, 167516, 209395, 293153, 418790, 460669, 586306, 837580, 921338, 1172612, 1465765, 1842676, 2303345, 2931530, 3224683, 4606690, 5863060, 6449366, 9213380, 12898732, 16123415, 32246830, 64493660]

約数ペア:

[(1, 64493660), (2, 32246830), (4, 16123415), (5, 12898732), (7, 9213380), (10, 6449366), (11, 5863060), (14, 4606690), (20, 3224683), (22, 2931530), (28, 2303345), (35, 1842676), (44, 1465765), (55, 1172612), (70, 921338), (77, 837580), (110, 586306), (140, 460669), (154, 418790), (220, 293153), (308, 209395), (385, 167516), (770, 83758), (1540, 41879)]