642885120

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 320

約数和(自身を含む): 2333422080

約数和(自身を除く): 1690536960

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, 71, 72, 80, 90, 96, 108, 120, 128, 131, 135, 142, 144, 160, 180, 192, 213, 216, 240, 256, 262, 270, 284, 288, 320, 355, 360, 384, 393, 426, 432, 480, 512, 524, 540, 568, 576, 639, 640, 655, 710, 720, 768, 786, 852, 864, 960, 1048, 1065, 1080, 1136, 1152, 1179, 1278, 1280, 1310, 1420, 1440, 1536, 1572, 1704, 1728, 1917, 1920, 1965, 2096, 2130, 2160, 2272, 2304, 2358, 2556, 2560, 2620, 2840, 2880, 3144, 3195, 3408, 3456, 3537, 3834, 3840, 3930, 4192, 4260, 4320, 4544, 4608, 4716, 5112, 5240, 5680, 5760, 5895, 6288, 6390, 6816, 6912, 7074, 7668, 7680, 7860, 8384, 8520, 8640, 9088, 9301, 9432, 9585, 10224, 10480, 11360, 11520, 11790, 12576, 12780, 13632, 13824, 14148, 15336, 15720, 16768, 17040, 17280, 17685, 18176, 18602, 18864, 19170, 20448, 20960, 22720, 23040, 23580, 25152, 25560, 27264, 27903, 28296, 30672, 31440, 33536, 34080, 34560, 35370, 36352, 37204, 37728, 38340, 40896, 41920, 45440, 46505, 47160, 50304, 51120, 54528, 55806, 56592, 61344, 62880, 67072, 68160, 69120, 70740, 74408, 75456, 76680, 81792, 83709, 83840, 90880, 93010, 94320, 100608, 102240, 109056, 111612, 113184, 122688, 125760, 136320, 139515, 141480, 148816, 150912, 153360, 163584, 167418, 167680, 181760, 186020, 188640, 201216, 204480, 223224, 226368, 245376, 251127, 251520, 272640, 279030, 282960, 297632, 301824, 306720, 327168, 334836, 335360, 372040, 377280, 408960, 418545, 446448, 452736, 490752, 502254, 503040, 545280, 558060, 565920, 595264, 603648, 613440, 669672, 744080, 754560, 817920, 837090, 892896, 905472, 981504, 1004508, 1006080, 1116120, 1131840, 1190528, 1226880, 1255635, 1339344, 1488160, 1509120, 1635840, 1674180, 1785792, 1810944, 2009016, 2232240, 2263680, 2381056, 2453760, 2511270, 2678688, 2976320, 3018240, 3348360, 3571584, 4018032, 4464480, 4527360, 4762112, 4907520, 5022540, 5357376, 5952640, 6696720, 7143168, 8036064, 8928960, 9054720, 10045080, 10714752, 11905280, 13393440, 14286336, 16072128, 17857920, 20090160, 21429504, 23810560, 26786880, 32144256, 35715840, 40180320, 42859008, 53573760, 64288512, 71431680, 80360640, 107147520, 128577024, 160721280, 214295040, 321442560, 642885120]

約数ペア:

[(1, 642885120), (2, 321442560), (3, 214295040), (4, 160721280), (5, 128577024), (6, 107147520), (8, 80360640), (9, 71431680), (10, 64288512), (12, 53573760), (15, 42859008), (16, 40180320), (18, 35715840), (20, 32144256), (24, 26786880), (27, 23810560), (30, 21429504), (32, 20090160), (36, 17857920), (40, 16072128), (45, 14286336), (48, 13393440), (54, 11905280), (60, 10714752), (64, 10045080), (71, 9054720), (72, 8928960), (80, 8036064), (90, 7143168), (96, 6696720), (108, 5952640), (120, 5357376), (128, 5022540), (131, 4907520), (135, 4762112), (142, 4527360), (144, 4464480), (160, 4018032), (180, 3571584), (192, 3348360), (213, 3018240), (216, 2976320), (240, 2678688), (256, 2511270), (262, 2453760), (270, 2381056), (284, 2263680), (288, 2232240), (320, 2009016), (355, 1810944), (360, 1785792), (384, 1674180), (393, 1635840), (426, 1509120), (432, 1488160), (480, 1339344), (512, 1255635), (524, 1226880), (540, 1190528), (568, 1131840), (576, 1116120), (639, 1006080), (640, 1004508), (655, 981504), (710, 905472), (720, 892896), (768, 837090), (786, 817920), (852, 754560), (864, 744080), (960, 669672), (1048, 613440), (1065, 603648), (1080, 595264), (1136, 565920), (1152, 558060), (1179, 545280), (1278, 503040), (1280, 502254), (1310, 490752), (1420, 452736), (1440, 446448), (1536, 418545), (1572, 408960), (1704, 377280), (1728, 372040), (1917, 335360), (1920, 334836), (1965, 327168), (2096, 306720), (2130, 301824), (2160, 297632), (2272, 282960), (2304, 279030), (2358, 272640), (2556, 251520), (2560, 251127), (2620, 245376), (2840, 226368), (2880, 223224), (3144, 204480), (3195, 201216), (3408, 188640), (3456, 186020), (3537, 181760), (3834, 167680), (3840, 167418), (3930, 163584), (4192, 153360), (4260, 150912), (4320, 148816), (4544, 141480), (4608, 139515), (4716, 136320), (5112, 125760), (5240, 122688), (5680, 113184), (5760, 111612), (5895, 109056), (6288, 102240), (6390, 100608), (6816, 94320), (6912, 93010), (7074, 90880), (7668, 83840), (7680, 83709), (7860, 81792), (8384, 76680), (8520, 75456), (8640, 74408), (9088, 70740), (9301, 69120), (9432, 68160), (9585, 67072), (10224, 62880), (10480, 61344), (11360, 56592), (11520, 55806), (11790, 54528), (12576, 51120), (12780, 50304), (13632, 47160), (13824, 46505), (14148, 45440), (15336, 41920), (15720, 40896), (16768, 38340), (17040, 37728), (17280, 37204), (17685, 36352), (18176, 35370), (18602, 34560), (18864, 34080), (19170, 33536), (20448, 31440), (20960, 30672), (22720, 28296), (23040, 27903), (23580, 27264), (25152, 25560)]