155996720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177269}}^1$

素因数の和:177293

約数の個数: 40

約数和(自身を含む): 395666640

約数和(自身を除く): 239669920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 177269, 354538, 709076, 886345, 1418152, 1772690, 1949959, 2836304, 3545380, 3899918, 7090760, 7799836, 9749795, 14181520, 15599672, 19499590, 31199344, 38999180, 77998360, 155996720]

約数ペア:

[(1, 155996720), (2, 77998360), (4, 38999180), (5, 31199344), (8, 19499590), (10, 15599672), (11, 14181520), (16, 9749795), (20, 7799836), (22, 7090760), (40, 3899918), (44, 3545380), (55, 2836304), (80, 1949959), (88, 1772690), (110, 1418152), (176, 886345), (220, 709076), (440, 354538), (880, 177269)]