81867780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151607}}^1$

素因数の和:151625

約数の個数: 48

約数和(自身を含む): 254701440

約数和(自身を除く): 172833660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151607, 303214, 454821, 606428, 758035, 909642, 1364463, 1516070, 1819284, 2274105, 2728926, 3032140, 4093389, 4548210, 5457852, 6822315, 8186778, 9096420, 13644630, 16373556, 20466945, 27289260, 40933890, 81867780]

約数ペア:

[(1, 81867780), (2, 40933890), (3, 27289260), (4, 20466945), (5, 16373556), (6, 13644630), (9, 9096420), (10, 8186778), (12, 6822315), (15, 5457852), (18, 4548210), (20, 4093389), (27, 3032140), (30, 2728926), (36, 2274105), (45, 1819284), (54, 1516070), (60, 1364463), (90, 909642), (108, 758035), (135, 606428), (180, 454821), (270, 303214), (540, 151607)]