1681159680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:717

約数の個数: 240

約数和(自身を含む): 5877306864

約数和(自身を除く): 4196147184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 131, 144, 160, 180, 192, 240, 256, 262, 288, 320, 360, 384, 393, 480, 512, 524, 557, 576, 640, 655, 720, 768, 786, 960, 1048, 1114, 1152, 1179, 1280, 1310, 1440, 1536, 1572, 1671, 1920, 1965, 2096, 2228, 2304, 2358, 2560, 2620, 2785, 2880, 3144, 3342, 3840, 3930, 4192, 4456, 4608, 4716, 5013, 5240, 5570, 5760, 5895, 6288, 6684, 7680, 7860, 8355, 8384, 8912, 9432, 10026, 10480, 11140, 11520, 11790, 12576, 13368, 15720, 16710, 16768, 17824, 18864, 20052, 20960, 22280, 23040, 23580, 25065, 25152, 26736, 31440, 33420, 33536, 35648, 37728, 40104, 41920, 44560, 47160, 50130, 50304, 53472, 62880, 66840, 67072, 71296, 72967, 75456, 80208, 83840, 89120, 94320, 100260, 100608, 106944, 125760, 133680, 142592, 145934, 150912, 160416, 167680, 178240, 188640, 200520, 201216, 213888, 218901, 251520, 267360, 285184, 291868, 301824, 320832, 335360, 356480, 364835, 377280, 401040, 427776, 437802, 503040, 534720, 583736, 603648, 641664, 656703, 712960, 729670, 754560, 802080, 855552, 875604, 1006080, 1069440, 1094505, 1167472, 1283328, 1313406, 1425920, 1459340, 1509120, 1604160, 1751208, 2138880, 2189010, 2334944, 2566656, 2626812, 2918680, 3018240, 3208320, 3283515, 3502416, 4277760, 4378020, 4669888, 5253624, 5837360, 6416640, 6567030, 7004832, 8756040, 9339776, 10507248, 11674720, 12833280, 13134060, 14009664, 17512080, 18679552, 21014496, 23349440, 26268120, 28019328, 35024160, 37359104, 42028992, 46698880, 52536240, 56038656, 70048320, 84057984, 93397760, 105072480, 112077312, 140096640, 168115968, 186795520, 210144960, 280193280, 336231936, 420289920, 560386560, 840579840, 1681159680]

約数ペア:

[(1, 1681159680), (2, 840579840), (3, 560386560), (4, 420289920), (5, 336231936), (6, 280193280), (8, 210144960), (9, 186795520), (10, 168115968), (12, 140096640), (15, 112077312), (16, 105072480), (18, 93397760), (20, 84057984), (24, 70048320), (30, 56038656), (32, 52536240), (36, 46698880), (40, 42028992), (45, 37359104), (48, 35024160), (60, 28019328), (64, 26268120), (72, 23349440), (80, 21014496), (90, 18679552), (96, 17512080), (120, 14009664), (128, 13134060), (131, 12833280), (144, 11674720), (160, 10507248), (180, 9339776), (192, 8756040), (240, 7004832), (256, 6567030), (262, 6416640), (288, 5837360), (320, 5253624), (360, 4669888), (384, 4378020), (393, 4277760), (480, 3502416), (512, 3283515), (524, 3208320), (557, 3018240), (576, 2918680), (640, 2626812), (655, 2566656), (720, 2334944), (768, 2189010), (786, 2138880), (960, 1751208), (1048, 1604160), (1114, 1509120), (1152, 1459340), (1179, 1425920), (1280, 1313406), (1310, 1283328), (1440, 1167472), (1536, 1094505), (1572, 1069440), (1671, 1006080), (1920, 875604), (1965, 855552), (2096, 802080), (2228, 754560), (2304, 729670), (2358, 712960), (2560, 656703), (2620, 641664), (2785, 603648), (2880, 583736), (3144, 534720), (3342, 503040), (3840, 437802), (3930, 427776), (4192, 401040), (4456, 377280), (4608, 364835), (4716, 356480), (5013, 335360), (5240, 320832), (5570, 301824), (5760, 291868), (5895, 285184), (6288, 267360), (6684, 251520), (7680, 218901), (7860, 213888), (8355, 201216), (8384, 200520), (8912, 188640), (9432, 178240), (10026, 167680), (10480, 160416), (11140, 150912), (11520, 145934), (11790, 142592), (12576, 133680), (13368, 125760), (15720, 106944), (16710, 100608), (16768, 100260), (17824, 94320), (18864, 89120), (20052, 83840), (20960, 80208), (22280, 75456), (23040, 72967), (23580, 71296), (25065, 67072), (25152, 66840), (26736, 62880), (31440, 53472), (33420, 50304), (33536, 50130), (35648, 47160), (37728, 44560), (40104, 41920)]