80659980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448111}}^1$

素因数の和:448126

約数の個数: 36

約数和(自身を含む): 244669152

約数和(自身を除く): 164009172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448111, 896222, 1344333, 1792444, 2240555, 2688666, 4032999, 4481110, 5377332, 6721665, 8065998, 8962220, 13443330, 16131996, 20164995, 26886660, 40329990, 80659980]

約数ペア:

[(1, 80659980), (2, 40329990), (3, 26886660), (4, 20164995), (5, 16131996), (6, 13443330), (9, 8962220), (10, 8065998), (12, 6721665), (15, 5377332), (18, 4481110), (20, 4032999), (30, 2688666), (36, 2240555), (45, 1792444), (60, 1344333), (90, 896222), (180, 448111)]