89407980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{496711}}^1$

素因数の和:496726

約数の個数: 36

約数和(自身を含む): 271204752

約数和(自身を除く): 181796772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 496711, 993422, 1490133, 1986844, 2483555, 2980266, 4470399, 4967110, 5960532, 7450665, 8940798, 9934220, 14901330, 17881596, 22351995, 29802660, 44703990, 89407980]

約数ペア:

[(1, 89407980), (2, 44703990), (3, 29802660), (4, 22351995), (5, 17881596), (6, 14901330), (9, 9934220), (10, 8940798), (12, 7450665), (15, 5960532), (18, 4967110), (20, 4470399), (30, 2980266), (36, 2483555), (45, 1986844), (60, 1490133), (90, 993422), (180, 496711)]