81362700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90403}}^1$

素因数の和:90423

約数の個数: 54

約数和(自身を含む): 255029684

約数和(自身を除く): 173666984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90403, 180806, 271209, 361612, 452015, 542418, 813627, 904030, 1084836, 1356045, 1627254, 1808060, 2260075, 2712090, 3254508, 4068135, 4520150, 5424180, 6780225, 8136270, 9040300, 13560450, 16272540, 20340675, 27120900, 40681350, 81362700]

約数ペア:

[(1, 81362700), (2, 40681350), (3, 27120900), (4, 20340675), (5, 16272540), (6, 13560450), (9, 9040300), (10, 8136270), (12, 6780225), (15, 5424180), (18, 4520150), (20, 4068135), (25, 3254508), (30, 2712090), (36, 2260075), (45, 1808060), (50, 1627254), (60, 1356045), (75, 1084836), (90, 904030), (100, 813627), (150, 542418), (180, 452015), (225, 361612), (300, 271209), (450, 180806), (900, 90403)]