217647360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2699}}^1$

素因数の和:2733

約数の個数: 216

約数和(自身を含む): 860932800

約数和(自身を除く): 643285440

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2699, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5398, 5760, 6720, 8064, 8097, 8960, 10080, 10796, 11520, 13440, 13495, 16128, 16194, 18893, 20160, 21592, 24291, 26880, 26990, 32388, 37786, 40320, 40485, 43184, 48582, 53980, 56679, 64776, 75572, 80640, 80970, 86368, 94465, 97164, 107960, 113358, 121455, 129552, 151144, 161940, 170037, 172736, 188930, 194328, 215920, 226716, 242910, 259104, 283395, 302288, 323880, 340074, 345472, 377860, 388656, 431840, 453432, 485820, 518208, 566790, 604576, 647760, 680148, 690944, 755720, 777312, 850185, 863680, 906864, 971640, 1036416, 1133580, 1209152, 1295520, 1360296, 1511440, 1554624, 1700370, 1727360, 1813728, 1943280, 2072832, 2267160, 2418304, 2591040, 2720592, 3022880, 3109248, 3400740, 3454720, 3627456, 3886560, 4534320, 4836608, 5182080, 5441184, 6045760, 6218496, 6801480, 7254912, 7773120, 9068640, 10364160, 10882368, 12091520, 13602960, 14509824, 15546240, 18137280, 21764736, 24183040, 27205920, 31092480, 36274560, 43529472, 54411840, 72549120, 108823680, 217647360]

約数ペア:

[(1, 217647360), (2, 108823680), (3, 72549120), (4, 54411840), (5, 43529472), (6, 36274560), (7, 31092480), (8, 27205920), (9, 24183040), (10, 21764736), (12, 18137280), (14, 15546240), (15, 14509824), (16, 13602960), (18, 12091520), (20, 10882368), (21, 10364160), (24, 9068640), (28, 7773120), (30, 7254912), (32, 6801480), (35, 6218496), (36, 6045760), (40, 5441184), (42, 5182080), (45, 4836608), (48, 4534320), (56, 3886560), (60, 3627456), (63, 3454720), (64, 3400740), (70, 3109248), (72, 3022880), (80, 2720592), (84, 2591040), (90, 2418304), (96, 2267160), (105, 2072832), (112, 1943280), (120, 1813728), (126, 1727360), (128, 1700370), (140, 1554624), (144, 1511440), (160, 1360296), (168, 1295520), (180, 1209152), (192, 1133580), (210, 1036416), (224, 971640), (240, 906864), (252, 863680), (256, 850185), (280, 777312), (288, 755720), (315, 690944), (320, 680148), (336, 647760), (360, 604576), (384, 566790), (420, 518208), (448, 485820), (480, 453432), (504, 431840), (560, 388656), (576, 377860), (630, 345472), (640, 340074), (672, 323880), (720, 302288), (768, 283395), (840, 259104), (896, 242910), (960, 226716), (1008, 215920), (1120, 194328), (1152, 188930), (1260, 172736), (1280, 170037), (1344, 161940), (1440, 151144), (1680, 129552), (1792, 121455), (1920, 113358), (2016, 107960), (2240, 97164), (2304, 94465), (2520, 86368), (2688, 80970), (2699, 80640), (2880, 75572), (3360, 64776), (3840, 56679), (4032, 53980), (4480, 48582), (5040, 43184), (5376, 40485), (5398, 40320), (5760, 37786), (6720, 32388), (8064, 26990), (8097, 26880), (8960, 24291), (10080, 21592), (10796, 20160), (11520, 18893), (13440, 16194), (13495, 16128)]