820391040

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{20347}}^1$

素因数の和:20379

約数の個数: 192

約数和(自身を含む): 3237773760

約数和(自身を除く): 2417382720

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, 20347, 40320, 40694, 61041, 81388, 101735, 122082, 142429, 162776, 183123, 203470, 244164, 284858, 305205, 325552, 366246, 406940, 427287, 488328, 569716, 610410, 651104, 712145, 732492, 813880, 854574, 915615, 976656, 1139432, 1220820, 1281861, 1302208, 1424290, 1464984, 1627760, 1709148, 1831230, 1953312, 2136435, 2278864, 2441640, 2563722, 2604416, 2848580, 2929968, 3255520, 3418296, 3662460, 3906624, 4272870, 4557728, 4883280, 5127444, 5697160, 5859936, 6409305, 6511040, 6836592, 7324920, 7813248, 8545740, 9115456, 9766560, 10254888, 11394320, 11719872, 12818610, 13022080, 13673184, 14649840, 17091480, 18230912, 19533120, 20509776, 22788640, 23439744, 25637220, 27346368, 29299680, 34182960, 39066240, 41019552, 45577280, 51274440, 54692736, 58599360, 68365920, 82039104, 91154560, 102548880, 117198720, 136731840, 164078208, 205097760, 273463680, 410195520, 820391040]

約数ペア:

[(1, 820391040), (2, 410195520), (3, 273463680), (4, 205097760), (5, 164078208), (6, 136731840), (7, 117198720), (8, 102548880), (9, 91154560), (10, 82039104), (12, 68365920), (14, 58599360), (15, 54692736), (16, 51274440), (18, 45577280), (20, 41019552), (21, 39066240), (24, 34182960), (28, 29299680), (30, 27346368), (32, 25637220), (35, 23439744), (36, 22788640), (40, 20509776), (42, 19533120), (45, 18230912), (48, 17091480), (56, 14649840), (60, 13673184), (63, 13022080), (64, 12818610), (70, 11719872), (72, 11394320), (80, 10254888), (84, 9766560), (90, 9115456), (96, 8545740), (105, 7813248), (112, 7324920), (120, 6836592), (126, 6511040), (128, 6409305), (140, 5859936), (144, 5697160), (160, 5127444), (168, 4883280), (180, 4557728), (192, 4272870), (210, 3906624), (224, 3662460), (240, 3418296), (252, 3255520), (280, 2929968), (288, 2848580), (315, 2604416), (320, 2563722), (336, 2441640), (360, 2278864), (384, 2136435), (420, 1953312), (448, 1831230), (480, 1709148), (504, 1627760), (560, 1464984), (576, 1424290), (630, 1302208), (640, 1281861), (672, 1220820), (720, 1139432), (840, 976656), (896, 915615), (960, 854574), (1008, 813880), (1120, 732492), (1152, 712145), (1260, 651104), (1344, 610410), (1440, 569716), (1680, 488328), (1920, 427287), (2016, 406940), (2240, 366246), (2520, 325552), (2688, 305205), (2880, 284858), (3360, 244164), (4032, 203470), (4480, 183123), (5040, 162776), (5760, 142429), (6720, 122082), (8064, 101735), (10080, 81388), (13440, 61041), (20160, 40694), (20347, 40320)]