240243840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13903}}^1$

素因数の和:13931

約数の個数: 128

約数和(自身を含む): 850924800

約数和(自身を除く): 610680960

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, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 13903, 17280, 27806, 41709, 55612, 69515, 83418, 111224, 125127, 139030, 166836, 208545, 222448, 250254, 278060, 333672, 375381, 417090, 444896, 500508, 556120, 625635, 667344, 750762, 834180, 889792, 1001016, 1112240, 1251270, 1334688, 1501524, 1668360, 1779584, 1876905, 2002032, 2224480, 2502540, 2669376, 3003048, 3336720, 3753810, 4004064, 4448960, 5005080, 5338752, 6006096, 6673440, 7507620, 8008128, 8897920, 10010160, 12012192, 13346880, 15015240, 16016256, 20020320, 24024384, 26693760, 30030480, 40040640, 48048768, 60060960, 80081280, 120121920, 240243840]

約数ペア:

[(1, 240243840), (2, 120121920), (3, 80081280), (4, 60060960), (5, 48048768), (6, 40040640), (8, 30030480), (9, 26693760), (10, 24024384), (12, 20020320), (15, 16016256), (16, 15015240), (18, 13346880), (20, 12012192), (24, 10010160), (27, 8897920), (30, 8008128), (32, 7507620), (36, 6673440), (40, 6006096), (45, 5338752), (48, 5005080), (54, 4448960), (60, 4004064), (64, 3753810), (72, 3336720), (80, 3003048), (90, 2669376), (96, 2502540), (108, 2224480), (120, 2002032), (128, 1876905), (135, 1779584), (144, 1668360), (160, 1501524), (180, 1334688), (192, 1251270), (216, 1112240), (240, 1001016), (270, 889792), (288, 834180), (320, 750762), (360, 667344), (384, 625635), (432, 556120), (480, 500508), (540, 444896), (576, 417090), (640, 375381), (720, 333672), (864, 278060), (960, 250254), (1080, 222448), (1152, 208545), (1440, 166836), (1728, 139030), (1920, 125127), (2160, 111224), (2880, 83418), (3456, 69515), (4320, 55612), (5760, 41709), (8640, 27806), (13903, 17280)]