87237080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311561}}^1$

素因数の和:311579

約数の個数: 32

約数和(自身を含む): 224324640

約数和(自身を除く): 137087560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311561, 623122, 1246244, 1557805, 2180927, 2492488, 3115610, 4361854, 6231220, 8723708, 10904635, 12462440, 17447416, 21809270, 43618540, 87237080]

約数ペア:

[(1, 87237080), (2, 43618540), (4, 21809270), (5, 17447416), (7, 12462440), (8, 10904635), (10, 8723708), (14, 6231220), (20, 4361854), (28, 3115610), (35, 2492488), (40, 2180927), (56, 1557805), (70, 1246244), (140, 623122), (280, 311561)]