161641260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81637}}^1$

素因数の和:81663

約数の個数: 72

約数和(自身を含む): 534892176

約数和(自身を除く): 373250916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 81637, 163274, 244911, 326548, 408185, 489822, 734733, 816370, 898007, 979644, 1224555, 1469466, 1632740, 1796014, 2449110, 2694021, 2938932, 3592028, 3673665, 4490035, 4898220, 5388042, 7347330, 8082063, 8980070, 10776084, 13470105, 14694660, 16164126, 17960140, 26940210, 32328252, 40410315, 53880420, 80820630, 161641260]

約数ペア:

[(1, 161641260), (2, 80820630), (3, 53880420), (4, 40410315), (5, 32328252), (6, 26940210), (9, 17960140), (10, 16164126), (11, 14694660), (12, 13470105), (15, 10776084), (18, 8980070), (20, 8082063), (22, 7347330), (30, 5388042), (33, 4898220), (36, 4490035), (44, 3673665), (45, 3592028), (55, 2938932), (60, 2694021), (66, 2449110), (90, 1796014), (99, 1632740), (110, 1469466), (132, 1224555), (165, 979644), (180, 898007), (198, 816370), (220, 734733), (330, 489822), (396, 408185), (495, 326548), (660, 244911), (990, 163274), (1980, 81637)]