80257860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445877}}^1$

素因数の和:445892

約数の個数: 36

約数和(自身を含む): 243449388

約数和(自身を除く): 163191528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445877, 891754, 1337631, 1783508, 2229385, 2675262, 4012893, 4458770, 5350524, 6688155, 8025786, 8917540, 13376310, 16051572, 20064465, 26752620, 40128930, 80257860]

約数ペア:

[(1, 80257860), (2, 40128930), (3, 26752620), (4, 20064465), (5, 16051572), (6, 13376310), (9, 8917540), (10, 8025786), (12, 6688155), (15, 5350524), (18, 4458770), (20, 4012893), (30, 2675262), (36, 2229385), (45, 1783508), (60, 1337631), (90, 891754), (180, 445877)]