78468540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307809}}^1$

素因数の和:1307821

約数の個数: 24

約数和(自身を含む): 219712080

約数和(自身を除く): 141243540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307809, 2615618, 3923427, 5231236, 6539045, 7846854, 13078090, 15693708, 19617135, 26156180, 39234270, 78468540]

約数ペア:

[(1, 78468540), (2, 39234270), (3, 26156180), (4, 19617135), (5, 15693708), (6, 13078090), (10, 7846854), (12, 6539045), (15, 5231236), (20, 3923427), (30, 2615618), (60, 1307809)]