81747660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362461}}^1$

素因数の和:1362473

約数の個数: 24

約数和(自身を含む): 228893616

約数和(自身を除く): 147145956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362461, 2724922, 4087383, 5449844, 6812305, 8174766, 13624610, 16349532, 20436915, 27249220, 40873830, 81747660]

約数ペア:

[(1, 81747660), (2, 40873830), (3, 27249220), (4, 20436915), (5, 16349532), (6, 13624610), (10, 8174766), (12, 6812305), (15, 5449844), (20, 4087383), (30, 2724922), (60, 1362461)]