27800640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 252

約数和(自身を含む): 111799116

約数和(自身を除く): 83998476

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, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 197, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 394, 420, 441, 448, 480, 490, 504, 560, 576, 588, 591, 630, 672, 720, 735, 784, 788, 840, 882, 960, 980, 985, 1008, 1120, 1176, 1182, 1260, 1344, 1379, 1440, 1470, 1568, 1576, 1680, 1764, 1773, 1960, 1970, 2016, 2205, 2240, 2352, 2364, 2520, 2758, 2880, 2940, 2955, 3136, 3152, 3360, 3528, 3546, 3920, 3940, 4032, 4137, 4410, 4704, 4728, 5040, 5516, 5880, 5910, 6304, 6720, 6895, 7056, 7092, 7840, 7880, 8274, 8820, 8865, 9408, 9456, 9653, 10080, 11032, 11760, 11820, 12411, 12608, 13790, 14112, 14184, 15680, 15760, 16548, 17640, 17730, 18912, 19306, 20160, 20685, 22064, 23520, 23640, 24822, 27580, 28224, 28368, 28959, 31520, 33096, 35280, 35460, 37824, 38612, 41370, 44128, 47040, 47280, 48265, 49644, 55160, 56736, 57918, 62055, 63040, 66192, 70560, 70920, 77224, 82740, 86877, 88256, 94560, 96530, 99288, 110320, 113472, 115836, 124110, 132384, 141120, 141840, 144795, 154448, 165480, 173754, 189120, 193060, 198576, 220640, 231672, 248220, 264768, 283680, 289590, 308896, 330960, 347508, 386120, 397152, 434385, 441280, 463344, 496440, 567360, 579180, 617792, 661920, 695016, 772240, 794304, 868770, 926688, 992880, 1158360, 1323840, 1390032, 1544480, 1737540, 1853376, 1985760, 2316720, 2780064, 3088960, 3475080, 3971520, 4633440, 5560128, 6950160, 9266880, 13900320, 27800640]

約数ペア:

[(1, 27800640), (2, 13900320), (3, 9266880), (4, 6950160), (5, 5560128), (6, 4633440), (7, 3971520), (8, 3475080), (9, 3088960), (10, 2780064), (12, 2316720), (14, 1985760), (15, 1853376), (16, 1737540), (18, 1544480), (20, 1390032), (21, 1323840), (24, 1158360), (28, 992880), (30, 926688), (32, 868770), (35, 794304), (36, 772240), (40, 695016), (42, 661920), (45, 617792), (48, 579180), (49, 567360), (56, 496440), (60, 463344), (63, 441280), (64, 434385), (70, 397152), (72, 386120), (80, 347508), (84, 330960), (90, 308896), (96, 289590), (98, 283680), (105, 264768), (112, 248220), (120, 231672), (126, 220640), (140, 198576), (144, 193060), (147, 189120), (160, 173754), (168, 165480), (180, 154448), (192, 144795), (196, 141840), (197, 141120), (210, 132384), (224, 124110), (240, 115836), (245, 113472), (252, 110320), (280, 99288), (288, 96530), (294, 94560), (315, 88256), (320, 86877), (336, 82740), (360, 77224), (392, 70920), (394, 70560), (420, 66192), (441, 63040), (448, 62055), (480, 57918), (490, 56736), (504, 55160), (560, 49644), (576, 48265), (588, 47280), (591, 47040), (630, 44128), (672, 41370), (720, 38612), (735, 37824), (784, 35460), (788, 35280), (840, 33096), (882, 31520), (960, 28959), (980, 28368), (985, 28224), (1008, 27580), (1120, 24822), (1176, 23640), (1182, 23520), (1260, 22064), (1344, 20685), (1379, 20160), (1440, 19306), (1470, 18912), (1568, 17730), (1576, 17640), (1680, 16548), (1764, 15760), (1773, 15680), (1960, 14184), (1970, 14112), (2016, 13790), (2205, 12608), (2240, 12411), (2352, 11820), (2364, 11760), (2520, 11032), (2758, 10080), (2880, 9653), (2940, 9456), (2955, 9408), (3136, 8865), (3152, 8820), (3360, 8274), (3528, 7880), (3546, 7840), (3920, 7092), (3940, 7056), (4032, 6895), (4137, 6720), (4410, 6304), (4704, 5910), (4728, 5880), (5040, 5516)]