81676260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453757}}^1$

素因数の和:453772

約数の個数: 36

約数和(自身を含む): 247751868

約数和(自身を除く): 166075608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453757, 907514, 1361271, 1815028, 2268785, 2722542, 4083813, 4537570, 5445084, 6806355, 8167626, 9075140, 13612710, 16335252, 20419065, 27225420, 40838130, 81676260]

約数ペア:

[(1, 81676260), (2, 40838130), (3, 27225420), (4, 20419065), (5, 16335252), (6, 13612710), (9, 9075140), (10, 8167626), (12, 6806355), (15, 5445084), (18, 4537570), (20, 4083813), (30, 2722542), (36, 2268785), (45, 1815028), (60, 1361271), (90, 907514), (180, 453757)]