80561940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1342699}}^1$

素因数の和:1342711

約数の個数: 24

約数和(自身を含む): 225573600

約数和(自身を除く): 145011660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1342699, 2685398, 4028097, 5370796, 6713495, 8056194, 13426990, 16112388, 20140485, 26853980, 40280970, 80561940]

約数ペア:

[(1, 80561940), (2, 40280970), (3, 26853980), (4, 20140485), (5, 16112388), (6, 13426990), (10, 8056194), (12, 6713495), (15, 5370796), (20, 4028097), (30, 2685398), (60, 1342699)]