820632960

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{20353}}^1$

素因数の和:20385

約数の個数: 192

約数和(自身を含む): 3238728480

約数和(自身を除く): 2418095520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 20353, 40320, 40706, 61059, 81412, 101765, 122118, 142471, 162824, 183177, 203530, 244236, 284942, 305295, 325648, 366354, 407060, 427413, 488472, 569884, 610590, 651296, 712355, 732708, 814120, 854826, 915885, 976944, 1139768, 1221180, 1282239, 1302592, 1424710, 1465416, 1628240, 1709652, 1831770, 1953888, 2137065, 2279536, 2442360, 2564478, 2605184, 2849420, 2930832, 3256480, 3419304, 3663540, 3907776, 4274130, 4559072, 4884720, 5128956, 5698840, 5861664, 6411195, 6512960, 6838608, 7327080, 7815552, 8548260, 9118144, 9769440, 10257912, 11397680, 11723328, 12822390, 13025920, 13677216, 14654160, 17096520, 18236288, 19538880, 20515824, 22795360, 23446656, 25644780, 27354432, 29308320, 34193040, 39077760, 41031648, 45590720, 51289560, 54708864, 58616640, 68386080, 82063296, 91181440, 102579120, 117233280, 136772160, 164126592, 205158240, 273544320, 410316480, 820632960]

約数ペア:

[(1, 820632960), (2, 410316480), (3, 273544320), (4, 205158240), (5, 164126592), (6, 136772160), (7, 117233280), (8, 102579120), (9, 91181440), (10, 82063296), (12, 68386080), (14, 58616640), (15, 54708864), (16, 51289560), (18, 45590720), (20, 41031648), (21, 39077760), (24, 34193040), (28, 29308320), (30, 27354432), (32, 25644780), (35, 23446656), (36, 22795360), (40, 20515824), (42, 19538880), (45, 18236288), (48, 17096520), (56, 14654160), (60, 13677216), (63, 13025920), (64, 12822390), (70, 11723328), (72, 11397680), (80, 10257912), (84, 9769440), (90, 9118144), (96, 8548260), (105, 7815552), (112, 7327080), (120, 6838608), (126, 6512960), (128, 6411195), (140, 5861664), (144, 5698840), (160, 5128956), (168, 4884720), (180, 4559072), (192, 4274130), (210, 3907776), (224, 3663540), (240, 3419304), (252, 3256480), (280, 2930832), (288, 2849420), (315, 2605184), (320, 2564478), (336, 2442360), (360, 2279536), (384, 2137065), (420, 1953888), (448, 1831770), (480, 1709652), (504, 1628240), (560, 1465416), (576, 1424710), (630, 1302592), (640, 1282239), (672, 1221180), (720, 1139768), (840, 976944), (896, 915885), (960, 854826), (1008, 814120), (1120, 732708), (1152, 712355), (1260, 651296), (1344, 610590), (1440, 569884), (1680, 488472), (1920, 427413), (2016, 407060), (2240, 366354), (2520, 325648), (2688, 305295), (2880, 284942), (3360, 244236), (4032, 203530), (4480, 183177), (5040, 162824), (5760, 142471), (6720, 122118), (8064, 101765), (10080, 81412), (13440, 61059), (20160, 40706), (20353, 40320)]