81046620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450259}}^1$

素因数の和:450274

約数の個数: 36

約数和(自身を含む): 245841960

約数和(自身を除く): 164795340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450259, 900518, 1350777, 1801036, 2251295, 2701554, 4052331, 4502590, 5403108, 6753885, 8104662, 9005180, 13507770, 16209324, 20261655, 27015540, 40523310, 81046620]

約数ペア:

[(1, 81046620), (2, 40523310), (3, 27015540), (4, 20261655), (5, 16209324), (6, 13507770), (9, 9005180), (10, 8104662), (12, 6753885), (15, 5403108), (18, 4502590), (20, 4052331), (30, 2701554), (36, 2251295), (45, 1801036), (60, 1350777), (90, 900518), (180, 450259)]