81190260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451057}}^1$

素因数の和:451072

約数の個数: 36

約数和(自身を含む): 246277668

約数和(自身を除く): 165087408

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451057, 902114, 1353171, 1804228, 2255285, 2706342, 4059513, 4510570, 5412684, 6765855, 8119026, 9021140, 13531710, 16238052, 20297565, 27063420, 40595130, 81190260]

約数ペア:

[(1, 81190260), (2, 40595130), (3, 27063420), (4, 20297565), (5, 16238052), (6, 13531710), (9, 9021140), (10, 8119026), (12, 6765855), (15, 5412684), (18, 4510570), (20, 4059513), (30, 2706342), (36, 2255285), (45, 1804228), (60, 1353171), (90, 902114), (180, 451057)]