155322020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25801}}^1$

素因数の和:25860

約数の個数: 48

約数和(自身を含む): 381456768

約数和(自身を除く): 226134748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 25801, 51602, 103204, 129005, 180607, 258010, 361214, 516020, 722428, 903035, 1109443, 1806070, 2218886, 3612140, 4437772, 5547215, 7766101, 11094430, 15532202, 22188860, 31064404, 38830505, 77661010, 155322020]

約数ペア:

[(1, 155322020), (2, 77661010), (4, 38830505), (5, 31064404), (7, 22188860), (10, 15532202), (14, 11094430), (20, 7766101), (28, 5547215), (35, 4437772), (43, 3612140), (70, 2218886), (86, 1806070), (140, 1109443), (172, 903035), (215, 722428), (301, 516020), (430, 361214), (602, 258010), (860, 180607), (1204, 129005), (1505, 103204), (3010, 51602), (6020, 25801)]