1523920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 3633696

約数和(自身を除く): 2109776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 443, 688, 860, 886, 1720, 1772, 2215, 3440, 3544, 4430, 7088, 8860, 17720, 19049, 35440, 38098, 76196, 95245, 152392, 190490, 304784, 380980, 761960, 1523920]

約数ペア:

[(1, 1523920), (2, 761960), (4, 380980), (5, 304784), (8, 190490), (10, 152392), (16, 95245), (20, 76196), (40, 38098), (43, 35440), (80, 19049), (86, 17720), (172, 8860), (215, 7088), (344, 4430), (430, 3544), (443, 3440), (688, 2215), (860, 1772), (886, 1720)]