80280780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1338013}}^1$

素因数の和:1338025

約数の個数: 24

約数和(自身を含む): 224786352

約数和(自身を除く): 144505572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1338013, 2676026, 4014039, 5352052, 6690065, 8028078, 13380130, 16056156, 20070195, 26760260, 40140390, 80280780]

約数ペア:

[(1, 80280780), (2, 40140390), (3, 26760260), (4, 20070195), (5, 16056156), (6, 13380130), (10, 8028078), (12, 6690065), (15, 5352052), (20, 4014039), (30, 2676026), (60, 1338013)]