320325120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13903}}^1$

素因数の和:13932

約数の個数: 120

約数和(自身を含む): 1109455776

約数和(自身を除く): 789130656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 13903, 23040, 27806, 41709, 55612, 69515, 83418, 111224, 125127, 139030, 166836, 208545, 222448, 250254, 278060, 333672, 417090, 444896, 500508, 556120, 625635, 667344, 834180, 889792, 1001016, 1112240, 1251270, 1334688, 1668360, 1779584, 2002032, 2224480, 2502540, 2669376, 3336720, 3559168, 4004064, 4448960, 5005080, 5338752, 6673440, 7118336, 8008128, 8897920, 10010160, 10677504, 13346880, 16016256, 17795840, 20020320, 21355008, 26693760, 32032512, 35591680, 40040640, 53387520, 64065024, 80081280, 106775040, 160162560, 320325120]

約数ペア:

[(1, 320325120), (2, 160162560), (3, 106775040), (4, 80081280), (5, 64065024), (6, 53387520), (8, 40040640), (9, 35591680), (10, 32032512), (12, 26693760), (15, 21355008), (16, 20020320), (18, 17795840), (20, 16016256), (24, 13346880), (30, 10677504), (32, 10010160), (36, 8897920), (40, 8008128), (45, 7118336), (48, 6673440), (60, 5338752), (64, 5005080), (72, 4448960), (80, 4004064), (90, 3559168), (96, 3336720), (120, 2669376), (128, 2502540), (144, 2224480), (160, 2002032), (180, 1779584), (192, 1668360), (240, 1334688), (256, 1251270), (288, 1112240), (320, 1001016), (360, 889792), (384, 834180), (480, 667344), (512, 625635), (576, 556120), (640, 500508), (720, 444896), (768, 417090), (960, 333672), (1152, 278060), (1280, 250254), (1440, 222448), (1536, 208545), (1920, 166836), (2304, 139030), (2560, 125127), (2880, 111224), (3840, 83418), (4608, 69515), (5760, 55612), (7680, 41709), (11520, 27806), (13903, 23040)]