78721620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1312027}}^1$

素因数の和:1312039

約数の個数: 24

約数和(自身を含む): 220420704

約数和(自身を除く): 141699084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1312027, 2624054, 3936081, 5248108, 6560135, 7872162, 13120270, 15744324, 19680405, 26240540, 39360810, 78721620]

約数ペア:

[(1, 78721620), (2, 39360810), (3, 26240540), (4, 19680405), (5, 15744324), (6, 13120270), (10, 7872162), (12, 6560135), (15, 5248108), (20, 3936081), (30, 2624054), (60, 1312027)]