81892620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50551}}^1$

素因数の和:50572

約数の個数: 60

約数和(自身を含む): 256905264

約数和(自身を除く): 175012644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50551, 101102, 151653, 202204, 252755, 303306, 454959, 505510, 606612, 758265, 909918, 1011020, 1364877, 1516530, 1819836, 2274795, 2729754, 3033060, 4094631, 4549590, 5459508, 6824385, 8189262, 9099180, 13648770, 16378524, 20473155, 27297540, 40946310, 81892620]

約数ペア:

[(1, 81892620), (2, 40946310), (3, 27297540), (4, 20473155), (5, 16378524), (6, 13648770), (9, 9099180), (10, 8189262), (12, 6824385), (15, 5459508), (18, 4549590), (20, 4094631), (27, 3033060), (30, 2729754), (36, 2274795), (45, 1819836), (54, 1516530), (60, 1364877), (81, 1011020), (90, 909918), (108, 758265), (135, 606612), (162, 505510), (180, 454959), (270, 303306), (324, 252755), (405, 202204), (540, 151653), (810, 101102), (1620, 50551)]