81891240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682427}}^1$

素因数の和:682441

約数の個数: 32

約数和(自身を含む): 245674080

約数和(自身を除く): 163782840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682427, 1364854, 2047281, 2729708, 3412135, 4094562, 5459416, 6824270, 8189124, 10236405, 13648540, 16378248, 20472810, 27297080, 40945620, 81891240]

約数ペア:

[(1, 81891240), (2, 40945620), (3, 27297080), (4, 20472810), (5, 16378248), (6, 13648540), (8, 10236405), (10, 8189124), (12, 6824270), (15, 5459416), (20, 4094562), (24, 3412135), (30, 2729708), (40, 2047281), (60, 1364854), (120, 682427)]