81470700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90523}}^1$

素因数の和:90543

約数の個数: 54

約数和(自身を含む): 255368204

約数和(自身を除く): 173897504

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, 90523, 181046, 271569, 362092, 452615, 543138, 814707, 905230, 1086276, 1357845, 1629414, 1810460, 2263075, 2715690, 3258828, 4073535, 4526150, 5431380, 6789225, 8147070, 9052300, 13578450, 16294140, 20367675, 27156900, 40735350, 81470700]

約数ペア:

[(1, 81470700), (2, 40735350), (3, 27156900), (4, 20367675), (5, 16294140), (6, 13578450), (9, 9052300), (10, 8147070), (12, 6789225), (15, 5431380), (18, 4526150), (20, 4073535), (25, 3258828), (30, 2715690), (36, 2263075), (45, 1810460), (50, 1629414), (60, 1357845), (75, 1086276), (90, 905230), (100, 814707), (150, 543138), (180, 452615), (225, 362092), (300, 271569), (450, 181046), (900, 90523)]