131286420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81041}}^1$

素因数の和:81062

約数の個数: 60

約数和(自身を含む): 411855444

約数和(自身を除く): 280569024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 81041, 162082, 243123, 324164, 405205, 486246, 729369, 810410, 972492, 1215615, 1458738, 1620820, 2188107, 2431230, 2917476, 3646845, 4376214, 4862460, 6564321, 7293690, 8752428, 10940535, 13128642, 14587380, 21881070, 26257284, 32821605, 43762140, 65643210, 131286420]

約数ペア:

[(1, 131286420), (2, 65643210), (3, 43762140), (4, 32821605), (5, 26257284), (6, 21881070), (9, 14587380), (10, 13128642), (12, 10940535), (15, 8752428), (18, 7293690), (20, 6564321), (27, 4862460), (30, 4376214), (36, 3646845), (45, 2917476), (54, 2431230), (60, 2188107), (81, 1620820), (90, 1458738), (108, 1215615), (135, 972492), (162, 810410), (180, 729369), (270, 486246), (324, 405205), (405, 324164), (540, 243123), (810, 162082), (1620, 81041)]