81585960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679883}}^1$

素因数の和:679897

約数の個数: 32

約数和(自身を含む): 244758240

約数和(自身を除く): 163172280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679883, 1359766, 2039649, 2719532, 3399415, 4079298, 5439064, 6798830, 8158596, 10198245, 13597660, 16317192, 20396490, 27195320, 40792980, 81585960]

約数ペア:

[(1, 81585960), (2, 40792980), (3, 27195320), (4, 20396490), (5, 16317192), (6, 13597660), (8, 10198245), (10, 8158596), (12, 6798830), (15, 5439064), (20, 4079298), (24, 3399415), (30, 2719532), (40, 2039649), (60, 1359766), (120, 679883)]