261596160

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{811}}^1$

素因数の和:849

約数の個数: 264

約数和(自身を含む): 1037190336

約数和(自身を除く): 775594176

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, 512, 560, 576, 630, 640, 672, 720, 768, 811, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1622, 1680, 1792, 1920, 2016, 2240, 2304, 2433, 2520, 2560, 2688, 2880, 3072, 3244, 3360, 3584, 3840, 4032, 4055, 4480, 4608, 4866, 5040, 5120, 5376, 5677, 5760, 6488, 6720, 7168, 7299, 7680, 8064, 8110, 8960, 9216, 9732, 10080, 10752, 11354, 11520, 12165, 12976, 13440, 14598, 15360, 16128, 16220, 17031, 17920, 19464, 20160, 21504, 22708, 23040, 24330, 25952, 26880, 28385, 29196, 32256, 32440, 34062, 35840, 36495, 38928, 40320, 45416, 46080, 48660, 51093, 51904, 53760, 56770, 58392, 64512, 64880, 68124, 72990, 77856, 80640, 85155, 90832, 97320, 102186, 103808, 107520, 113540, 116784, 129760, 136248, 145980, 155712, 161280, 170310, 181664, 194640, 204372, 207616, 227080, 233568, 255465, 259520, 272496, 291960, 311424, 322560, 340620, 363328, 389280, 408744, 415232, 454160, 467136, 510930, 519040, 544992, 583920, 622848, 681240, 726656, 778560, 817488, 830464, 908320, 934272, 1021860, 1038080, 1089984, 1167840, 1245696, 1362480, 1453312, 1557120, 1634976, 1816640, 1868544, 2043720, 2076160, 2179968, 2335680, 2491392, 2724960, 2906624, 3114240, 3269952, 3633280, 3737088, 4087440, 4152320, 4359936, 4671360, 5449920, 5813248, 6228480, 6539904, 7266560, 7474176, 8174880, 8719872, 9342720, 10899840, 12456960, 13079808, 14533120, 16349760, 17439744, 18685440, 21799680, 26159616, 29066240, 32699520, 37370880, 43599360, 52319232, 65399040, 87198720, 130798080, 261596160]

約数ペア:

[(1, 261596160), (2, 130798080), (3, 87198720), (4, 65399040), (5, 52319232), (6, 43599360), (7, 37370880), (8, 32699520), (9, 29066240), (10, 26159616), (12, 21799680), (14, 18685440), (15, 17439744), (16, 16349760), (18, 14533120), (20, 13079808), (21, 12456960), (24, 10899840), (28, 9342720), (30, 8719872), (32, 8174880), (35, 7474176), (36, 7266560), (40, 6539904), (42, 6228480), (45, 5813248), (48, 5449920), (56, 4671360), (60, 4359936), (63, 4152320), (64, 4087440), (70, 3737088), (72, 3633280), (80, 3269952), (84, 3114240), (90, 2906624), (96, 2724960), (105, 2491392), (112, 2335680), (120, 2179968), (126, 2076160), (128, 2043720), (140, 1868544), (144, 1816640), (160, 1634976), (168, 1557120), (180, 1453312), (192, 1362480), (210, 1245696), (224, 1167840), (240, 1089984), (252, 1038080), (256, 1021860), (280, 934272), (288, 908320), (315, 830464), (320, 817488), (336, 778560), (360, 726656), (384, 681240), (420, 622848), (448, 583920), (480, 544992), (504, 519040), (512, 510930), (560, 467136), (576, 454160), (630, 415232), (640, 408744), (672, 389280), (720, 363328), (768, 340620), (811, 322560), (840, 311424), (896, 291960), (960, 272496), (1008, 259520), (1024, 255465), (1120, 233568), (1152, 227080), (1260, 207616), (1280, 204372), (1344, 194640), (1440, 181664), (1536, 170310), (1622, 161280), (1680, 155712), (1792, 145980), (1920, 136248), (2016, 129760), (2240, 116784), (2304, 113540), (2433, 107520), (2520, 103808), (2560, 102186), (2688, 97320), (2880, 90832), (3072, 85155), (3244, 80640), (3360, 77856), (3584, 72990), (3840, 68124), (4032, 64880), (4055, 64512), (4480, 58392), (4608, 56770), (4866, 53760), (5040, 51904), (5120, 51093), (5376, 48660), (5677, 46080), (5760, 45416), (6488, 40320), (6720, 38928), (7168, 36495), (7299, 35840), (7680, 34062), (8064, 32440), (8110, 32256), (8960, 29196), (9216, 28385), (9732, 26880), (10080, 25952), (10752, 24330), (11354, 23040), (11520, 22708), (12165, 21504), (12976, 20160), (13440, 19464), (14598, 17920), (15360, 17031), (16128, 16220)]