81560970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906233}}^1$

素因数の和:906246

約数の個数: 24

約数和(自身を含む): 212058756

約数和(自身を除く): 130497786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906233, 1812466, 2718699, 4531165, 5437398, 8156097, 9062330, 13593495, 16312194, 27186990, 40780485, 81560970]

約数ペア:

[(1, 81560970), (2, 40780485), (3, 27186990), (5, 16312194), (6, 13593495), (9, 9062330), (10, 8156097), (15, 5437398), (18, 4531165), (30, 2718699), (45, 1812466), (90, 906233)]