18705690720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4330021}}^1$

素因数の和:4330045

約数の個数: 96

約数和(自身を含む): 65469932640

約数和(自身を除く): 46764241920

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4330021, 8660042, 12990063, 17320084, 21650105, 25980126, 34640168, 38970189, 43300210, 51960252, 64950315, 69280336, 77940378, 86600420, 103920504, 116910567, 129900630, 138560672, 155880756, 173200840, 194850945, 207841008, 233821134, 259801260, 311761512, 346401680, 389701890, 415682016, 467642268, 519602520, 584552835, 623523024, 692803360, 779403780, 935284536, 1039205040, 1169105670, 1247046048, 1558807560, 1870569072, 2078410080, 2338211340, 3117615120, 3741138144, 4676422680, 6235230240, 9352845360, 18705690720]

約数ペア:

[(1, 18705690720), (2, 9352845360), (3, 6235230240), (4, 4676422680), (5, 3741138144), (6, 3117615120), (8, 2338211340), (9, 2078410080), (10, 1870569072), (12, 1558807560), (15, 1247046048), (16, 1169105670), (18, 1039205040), (20, 935284536), (24, 779403780), (27, 692803360), (30, 623523024), (32, 584552835), (36, 519602520), (40, 467642268), (45, 415682016), (48, 389701890), (54, 346401680), (60, 311761512), (72, 259801260), (80, 233821134), (90, 207841008), (96, 194850945), (108, 173200840), (120, 155880756), (135, 138560672), (144, 129900630), (160, 116910567), (180, 103920504), (216, 86600420), (240, 77940378), (270, 69280336), (288, 64950315), (360, 51960252), (432, 43300210), (480, 38970189), (540, 34640168), (720, 25980126), (864, 21650105), (1080, 17320084), (1440, 12990063), (2160, 8660042), (4320, 4330021)]