81829980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151537}}^1$

素因数の和:151555

約数の個数: 48

約数和(自身を含む): 254583840

約数和(自身を除く): 172753860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151537, 303074, 454611, 606148, 757685, 909222, 1363833, 1515370, 1818444, 2273055, 2727666, 3030740, 4091499, 4546110, 5455332, 6819165, 8182998, 9092220, 13638330, 16365996, 20457495, 27276660, 40914990, 81829980]

約数ペア:

[(1, 81829980), (2, 40914990), (3, 27276660), (4, 20457495), (5, 16365996), (6, 13638330), (9, 9092220), (10, 8182998), (12, 6819165), (15, 5455332), (18, 4546110), (20, 4091499), (27, 3030740), (30, 2727666), (36, 2273055), (45, 1818444), (54, 1515370), (60, 1363833), (90, 909222), (108, 757685), (135, 606148), (180, 454611), (270, 303074), (540, 151537)]