161231040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{18661}}^1$

素因数の和:18687

約数の個数: 112

約数和(自身を含む): 568817760

約数和(自身を除く): 407586720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 18661, 37322, 55983, 74644, 93305, 111966, 149288, 167949, 186610, 223932, 279915, 298576, 335898, 373220, 447864, 503847, 559830, 597152, 671796, 746440, 839745, 895728, 1007694, 1119660, 1194304, 1343592, 1492880, 1679490, 1791456, 2015388, 2239320, 2519235, 2687184, 2985760, 3358980, 3582912, 4030776, 4478640, 5038470, 5374368, 5971520, 6717960, 8061552, 8957280, 10076940, 10748736, 13435920, 16123104, 17914560, 20153880, 26871840, 32246208, 40307760, 53743680, 80615520, 161231040]

約数ペア:

[(1, 161231040), (2, 80615520), (3, 53743680), (4, 40307760), (5, 32246208), (6, 26871840), (8, 20153880), (9, 17914560), (10, 16123104), (12, 13435920), (15, 10748736), (16, 10076940), (18, 8957280), (20, 8061552), (24, 6717960), (27, 5971520), (30, 5374368), (32, 5038470), (36, 4478640), (40, 4030776), (45, 3582912), (48, 3358980), (54, 2985760), (60, 2687184), (64, 2519235), (72, 2239320), (80, 2015388), (90, 1791456), (96, 1679490), (108, 1492880), (120, 1343592), (135, 1194304), (144, 1119660), (160, 1007694), (180, 895728), (192, 839745), (216, 746440), (240, 671796), (270, 597152), (288, 559830), (320, 503847), (360, 447864), (432, 373220), (480, 335898), (540, 298576), (576, 279915), (720, 223932), (864, 186610), (960, 167949), (1080, 149288), (1440, 111966), (1728, 93305), (2160, 74644), (2880, 55983), (4320, 37322), (8640, 18661)]