205857120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:533

約数の個数: 192

約数和(自身を含む): 747242496

約数和(自身を除く): 541385376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 197, 210, 224, 240, 280, 311, 336, 394, 420, 480, 560, 591, 622, 672, 788, 840, 933, 985, 1120, 1182, 1244, 1379, 1555, 1576, 1680, 1866, 1970, 2177, 2364, 2488, 2758, 2955, 3110, 3152, 3360, 3732, 3940, 4137, 4354, 4665, 4728, 4976, 5516, 5910, 6220, 6304, 6531, 6895, 7464, 7880, 8274, 8708, 9330, 9456, 9952, 10885, 11032, 11820, 12440, 13062, 13790, 14928, 15760, 16548, 17416, 18660, 18912, 20685, 21770, 22064, 23640, 24880, 26124, 27580, 29856, 31520, 32655, 33096, 34832, 37320, 41370, 43540, 44128, 47280, 49760, 52248, 55160, 61267, 65310, 66192, 69664, 74640, 82740, 87080, 94560, 104496, 110320, 122534, 130620, 132384, 149280, 165480, 174160, 183801, 208992, 220640, 245068, 261240, 306335, 330960, 348320, 367602, 428869, 490136, 522480, 612670, 661920, 735204, 857738, 919005, 980272, 1044960, 1225340, 1286607, 1470408, 1715476, 1838010, 1960544, 2144345, 2450680, 2573214, 2940816, 3430952, 3676020, 4288690, 4901360, 5146428, 5881632, 6433035, 6861904, 7352040, 8577380, 9802720, 10292856, 12866070, 13723808, 14704080, 17154760, 20585712, 25732140, 29408160, 34309520, 41171424, 51464280, 68619040, 102928560, 205857120]

約数ペア:

[(1, 205857120), (2, 102928560), (3, 68619040), (4, 51464280), (5, 41171424), (6, 34309520), (7, 29408160), (8, 25732140), (10, 20585712), (12, 17154760), (14, 14704080), (15, 13723808), (16, 12866070), (20, 10292856), (21, 9802720), (24, 8577380), (28, 7352040), (30, 6861904), (32, 6433035), (35, 5881632), (40, 5146428), (42, 4901360), (48, 4288690), (56, 3676020), (60, 3430952), (70, 2940816), (80, 2573214), (84, 2450680), (96, 2144345), (105, 1960544), (112, 1838010), (120, 1715476), (140, 1470408), (160, 1286607), (168, 1225340), (197, 1044960), (210, 980272), (224, 919005), (240, 857738), (280, 735204), (311, 661920), (336, 612670), (394, 522480), (420, 490136), (480, 428869), (560, 367602), (591, 348320), (622, 330960), (672, 306335), (788, 261240), (840, 245068), (933, 220640), (985, 208992), (1120, 183801), (1182, 174160), (1244, 165480), (1379, 149280), (1555, 132384), (1576, 130620), (1680, 122534), (1866, 110320), (1970, 104496), (2177, 94560), (2364, 87080), (2488, 82740), (2758, 74640), (2955, 69664), (3110, 66192), (3152, 65310), (3360, 61267), (3732, 55160), (3940, 52248), (4137, 49760), (4354, 47280), (4665, 44128), (4728, 43540), (4976, 41370), (5516, 37320), (5910, 34832), (6220, 33096), (6304, 32655), (6531, 31520), (6895, 29856), (7464, 27580), (7880, 26124), (8274, 24880), (8708, 23640), (9330, 22064), (9456, 21770), (9952, 20685), (10885, 18912), (11032, 18660), (11820, 17416), (12440, 16548), (13062, 15760), (13790, 14928)]