81757320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681311}}^1$

素因数の和:681325

約数の個数: 32

約数和(自身を含む): 245272320

約数和(自身を除く): 163515000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681311, 1362622, 2043933, 2725244, 3406555, 4087866, 5450488, 6813110, 8175732, 10219665, 13626220, 16351464, 20439330, 27252440, 40878660, 81757320]

約数ペア:

[(1, 81757320), (2, 40878660), (3, 27252440), (4, 20439330), (5, 16351464), (6, 13626220), (8, 10219665), (10, 8175732), (12, 6813110), (15, 5450488), (20, 4087866), (24, 3406555), (30, 2725244), (40, 2043933), (60, 1362622), (120, 681311)]