217313280

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 260

約数和(自身を含む): 784959912

約数和(自身を除く): 567646632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 131, 135, 144, 160, 162, 180, 192, 216, 240, 256, 262, 270, 288, 320, 324, 360, 384, 393, 405, 432, 480, 512, 524, 540, 576, 640, 648, 655, 720, 768, 786, 810, 864, 960, 1024, 1048, 1080, 1152, 1179, 1280, 1296, 1310, 1440, 1536, 1572, 1620, 1728, 1920, 1965, 2048, 2096, 2160, 2304, 2358, 2560, 2592, 2620, 2880, 3072, 3144, 3240, 3456, 3537, 3840, 3930, 4096, 4192, 4320, 4608, 4716, 5120, 5184, 5240, 5760, 5895, 6144, 6288, 6480, 6912, 7074, 7680, 7860, 8384, 8640, 9216, 9432, 10240, 10368, 10480, 10611, 11520, 11790, 12288, 12576, 12960, 13824, 14148, 15360, 15720, 16768, 17280, 17685, 18432, 18864, 20480, 20736, 20960, 21222, 23040, 23580, 25152, 25920, 27648, 28296, 30720, 31440, 33536, 34560, 35370, 36864, 37728, 41472, 41920, 42444, 46080, 47160, 50304, 51840, 53055, 55296, 56592, 61440, 62880, 67072, 69120, 70740, 75456, 82944, 83840, 84888, 92160, 94320, 100608, 103680, 106110, 110592, 113184, 125760, 134144, 138240, 141480, 150912, 165888, 167680, 169776, 184320, 188640, 201216, 207360, 212220, 226368, 251520, 268288, 276480, 282960, 301824, 331776, 335360, 339552, 377280, 402432, 414720, 424440, 452736, 503040, 536576, 552960, 565920, 603648, 670720, 679104, 754560, 804864, 829440, 848880, 905472, 1006080, 1131840, 1207296, 1341440, 1358208, 1509120, 1609728, 1658880, 1697760, 1810944, 2012160, 2263680, 2414592, 2682880, 2716416, 3018240, 3395520, 3621888, 4024320, 4527360, 4829184, 5432832, 6036480, 6791040, 7243776, 8048640, 9054720, 10865664, 12072960, 13582080, 14487552, 18109440, 21731328, 24145920, 27164160, 36218880, 43462656, 54328320, 72437760, 108656640, 217313280]

約数ペア:

[(1, 217313280), (2, 108656640), (3, 72437760), (4, 54328320), (5, 43462656), (6, 36218880), (8, 27164160), (9, 24145920), (10, 21731328), (12, 18109440), (15, 14487552), (16, 13582080), (18, 12072960), (20, 10865664), (24, 9054720), (27, 8048640), (30, 7243776), (32, 6791040), (36, 6036480), (40, 5432832), (45, 4829184), (48, 4527360), (54, 4024320), (60, 3621888), (64, 3395520), (72, 3018240), (80, 2716416), (81, 2682880), (90, 2414592), (96, 2263680), (108, 2012160), (120, 1810944), (128, 1697760), (131, 1658880), (135, 1609728), (144, 1509120), (160, 1358208), (162, 1341440), (180, 1207296), (192, 1131840), (216, 1006080), (240, 905472), (256, 848880), (262, 829440), (270, 804864), (288, 754560), (320, 679104), (324, 670720), (360, 603648), (384, 565920), (393, 552960), (405, 536576), (432, 503040), (480, 452736), (512, 424440), (524, 414720), (540, 402432), (576, 377280), (640, 339552), (648, 335360), (655, 331776), (720, 301824), (768, 282960), (786, 276480), (810, 268288), (864, 251520), (960, 226368), (1024, 212220), (1048, 207360), (1080, 201216), (1152, 188640), (1179, 184320), (1280, 169776), (1296, 167680), (1310, 165888), (1440, 150912), (1536, 141480), (1572, 138240), (1620, 134144), (1728, 125760), (1920, 113184), (1965, 110592), (2048, 106110), (2096, 103680), (2160, 100608), (2304, 94320), (2358, 92160), (2560, 84888), (2592, 83840), (2620, 82944), (2880, 75456), (3072, 70740), (3144, 69120), (3240, 67072), (3456, 62880), (3537, 61440), (3840, 56592), (3930, 55296), (4096, 53055), (4192, 51840), (4320, 50304), (4608, 47160), (4716, 46080), (5120, 42444), (5184, 41920), (5240, 41472), (5760, 37728), (5895, 36864), (6144, 35370), (6288, 34560), (6480, 33536), (6912, 31440), (7074, 30720), (7680, 28296), (7860, 27648), (8384, 25920), (8640, 25152), (9216, 23580), (9432, 23040), (10240, 21222), (10368, 20960), (10480, 20736), (10611, 20480), (11520, 18864), (11790, 18432), (12288, 17685), (12576, 17280), (12960, 16768), (13824, 15720), (14148, 15360)]