71680860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398227}}^1$

素因数の和:398242

約数の個数: 36

約数和(自身を含む): 217432488

約数和(自身を除く): 145751628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398227, 796454, 1194681, 1592908, 1991135, 2389362, 3584043, 3982270, 4778724, 5973405, 7168086, 7964540, 11946810, 14336172, 17920215, 23893620, 35840430, 71680860]

約数ペア:

[(1, 71680860), (2, 35840430), (3, 23893620), (4, 17920215), (5, 14336172), (6, 11946810), (9, 7964540), (10, 7168086), (12, 5973405), (15, 4778724), (18, 3982270), (20, 3584043), (30, 2389362), (36, 1991135), (45, 1592908), (60, 1194681), (90, 796454), (180, 398227)]