81502140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1358369}}^1$

素因数の和:1358381

約数の個数: 24

約数和(自身を含む): 228206160

約数和(自身を除く): 146704020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1358369, 2716738, 4075107, 5433476, 6791845, 8150214, 13583690, 16300428, 20375535, 27167380, 40751070, 81502140]

約数ペア:

[(1, 81502140), (2, 40751070), (3, 27167380), (4, 20375535), (5, 16300428), (6, 13583690), (10, 8150214), (12, 6791845), (15, 5433476), (20, 4075107), (30, 2716738), (60, 1358369)]