80380140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1339669}}^1$

素因数の和:1339681

約数の個数: 24

約数和(自身を含む): 225064560

約数和(自身を除く): 144684420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1339669, 2679338, 4019007, 5358676, 6698345, 8038014, 13396690, 16076028, 20095035, 26793380, 40190070, 80380140]

約数ペア:

[(1, 80380140), (2, 40190070), (3, 26793380), (4, 20095035), (5, 16076028), (6, 13396690), (10, 8038014), (12, 6698345), (15, 5358676), (20, 4019007), (30, 2679338), (60, 1339669)]