81601620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360027}}^1$

素因数の和:1360039

約数の個数: 24

約数和(自身を含む): 228484704

約数和(自身を除く): 146883084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360027, 2720054, 4080081, 5440108, 6800135, 8160162, 13600270, 16320324, 20400405, 27200540, 40800810, 81601620]

約数ペア:

[(1, 81601620), (2, 40800810), (3, 27200540), (4, 20400405), (5, 16320324), (6, 13600270), (10, 8160162), (12, 6800135), (15, 5440108), (20, 4080081), (30, 2720054), (60, 1360027)]