8320740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{138679}}^1$

素因数の和:138691

約数の個数: 24

約数和(自身を含む): 23298240

約数和(自身を除く): 14977500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 138679, 277358, 416037, 554716, 693395, 832074, 1386790, 1664148, 2080185, 2773580, 4160370, 8320740]

約数ペア:

[(1, 8320740), (2, 4160370), (3, 2773580), (4, 2080185), (5, 1664148), (6, 1386790), (10, 832074), (12, 693395), (15, 554716), (20, 416037), (30, 277358), (60, 138679)]