1536280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 3492000

約数和(自身を除く): 1955720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 199, 386, 398, 772, 796, 965, 995, 1544, 1592, 1930, 1990, 3860, 3980, 7720, 7960, 38407, 76814, 153628, 192035, 307256, 384070, 768140, 1536280]

約数ペア:

[(1, 1536280), (2, 768140), (4, 384070), (5, 307256), (8, 192035), (10, 153628), (20, 76814), (40, 38407), (193, 7960), (199, 7720), (386, 3980), (398, 3860), (772, 1990), (796, 1930), (965, 1592), (995, 1544)]