78432540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307209}}^1$

素因数の和:1307221

約数の個数: 24

約数和(自身を含む): 219611280

約数和(自身を除く): 141178740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307209, 2614418, 3921627, 5228836, 6536045, 7843254, 13072090, 15686508, 19608135, 26144180, 39216270, 78432540]

約数ペア:

[(1, 78432540), (2, 39216270), (3, 26144180), (4, 19608135), (5, 15686508), (6, 13072090), (10, 7843254), (12, 6536045), (15, 5228836), (20, 3921627), (30, 2614418), (60, 1307209)]