81514260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{452857}}^1$

素因数の和:452872

約数の個数: 36

約数和(自身を含む): 247260468

約数和(自身を除く): 165746208

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 452857, 905714, 1358571, 1811428, 2264285, 2717142, 4075713, 4528570, 5434284, 6792855, 8151426, 9057140, 13585710, 16302852, 20378565, 27171420, 40757130, 81514260]

約数ペア:

[(1, 81514260), (2, 40757130), (3, 27171420), (4, 20378565), (5, 16302852), (6, 13585710), (9, 9057140), (10, 8151426), (12, 6792855), (15, 5434284), (18, 4528570), (20, 4075713), (30, 2717142), (36, 2264285), (45, 1811428), (60, 1358571), (90, 905714), (180, 452857)]