80475540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1341259}}^1$

素因数の和:1341271

約数の個数: 24

約数和(自身を含む): 225331680

約数和(自身を除く): 144856140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1341259, 2682518, 4023777, 5365036, 6706295, 8047554, 13412590, 16095108, 20118885, 26825180, 40237770, 80475540]

約数ペア:

[(1, 80475540), (2, 40237770), (3, 26825180), (4, 20118885), (5, 16095108), (6, 13412590), (10, 8047554), (12, 6706295), (15, 5365036), (20, 4023777), (30, 2682518), (60, 1341259)]