80497980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{447211}}^1$

素因数の和:447226

約数の個数: 36

約数和(自身を含む): 244177752

約数和(自身を除く): 163679772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 447211, 894422, 1341633, 1788844, 2236055, 2683266, 4024899, 4472110, 5366532, 6708165, 8049798, 8944220, 13416330, 16099596, 20124495, 26832660, 40248990, 80497980]

約数ペア:

[(1, 80497980), (2, 40248990), (3, 26832660), (4, 20124495), (5, 16099596), (6, 13416330), (9, 8944220), (10, 8049798), (12, 6708165), (15, 5366532), (18, 4472110), (20, 4024899), (30, 2683266), (36, 2236055), (45, 1788844), (60, 1341633), (90, 894422), (180, 447211)]