66401280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 264

約数和(自身を含む): 252910944

約数和(自身を除く): 186509664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 131, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 262, 264, 288, 320, 330, 352, 360, 384, 393, 396, 440, 480, 495, 512, 524, 528, 576, 640, 655, 660, 704, 720, 768, 786, 792, 880, 960, 990, 1024, 1048, 1056, 1152, 1179, 1280, 1310, 1320, 1408, 1440, 1441, 1536, 1572, 1584, 1760, 1920, 1965, 1980, 2096, 2112, 2304, 2358, 2560, 2620, 2640, 2816, 2880, 2882, 3072, 3144, 3168, 3520, 3840, 3930, 3960, 4192, 4224, 4323, 4608, 4716, 5120, 5240, 5280, 5632, 5760, 5764, 5895, 6288, 6336, 7040, 7205, 7680, 7860, 7920, 8384, 8448, 8646, 9216, 9432, 10480, 10560, 11264, 11520, 11528, 11790, 12576, 12672, 12969, 14080, 14410, 15360, 15720, 15840, 16768, 16896, 17292, 18864, 20960, 21120, 21615, 23040, 23056, 23580, 25152, 25344, 25938, 28160, 28820, 31440, 31680, 33536, 33792, 34584, 37728, 41920, 42240, 43230, 46080, 46112, 47160, 50304, 50688, 51876, 56320, 57640, 62880, 63360, 64845, 67072, 69168, 75456, 83840, 84480, 86460, 92224, 94320, 100608, 101376, 103752, 115280, 125760, 126720, 129690, 134144, 138336, 150912, 167680, 168960, 172920, 184448, 188640, 201216, 207504, 230560, 251520, 253440, 259380, 276672, 301824, 335360, 345840, 368896, 377280, 402432, 415008, 461120, 503040, 506880, 518760, 553344, 603648, 670720, 691680, 737792, 754560, 830016, 922240, 1006080, 1037520, 1106688, 1207296, 1383360, 1475584, 1509120, 1660032, 1844480, 2012160, 2075040, 2213376, 2766720, 3018240, 3320064, 3688960, 4150080, 4426752, 5533440, 6036480, 6640128, 7377920, 8300160, 11066880, 13280256, 16600320, 22133760, 33200640, 66401280]

約数ペア:

[(1, 66401280), (2, 33200640), (3, 22133760), (4, 16600320), (5, 13280256), (6, 11066880), (8, 8300160), (9, 7377920), (10, 6640128), (11, 6036480), (12, 5533440), (15, 4426752), (16, 4150080), (18, 3688960), (20, 3320064), (22, 3018240), (24, 2766720), (30, 2213376), (32, 2075040), (33, 2012160), (36, 1844480), (40, 1660032), (44, 1509120), (45, 1475584), (48, 1383360), (55, 1207296), (60, 1106688), (64, 1037520), (66, 1006080), (72, 922240), (80, 830016), (88, 754560), (90, 737792), (96, 691680), (99, 670720), (110, 603648), (120, 553344), (128, 518760), (131, 506880), (132, 503040), (144, 461120), (160, 415008), (165, 402432), (176, 377280), (180, 368896), (192, 345840), (198, 335360), (220, 301824), (240, 276672), (256, 259380), (262, 253440), (264, 251520), (288, 230560), (320, 207504), (330, 201216), (352, 188640), (360, 184448), (384, 172920), (393, 168960), (396, 167680), (440, 150912), (480, 138336), (495, 134144), (512, 129690), (524, 126720), (528, 125760), (576, 115280), (640, 103752), (655, 101376), (660, 100608), (704, 94320), (720, 92224), (768, 86460), (786, 84480), (792, 83840), (880, 75456), (960, 69168), (990, 67072), (1024, 64845), (1048, 63360), (1056, 62880), (1152, 57640), (1179, 56320), (1280, 51876), (1310, 50688), (1320, 50304), (1408, 47160), (1440, 46112), (1441, 46080), (1536, 43230), (1572, 42240), (1584, 41920), (1760, 37728), (1920, 34584), (1965, 33792), (1980, 33536), (2096, 31680), (2112, 31440), (2304, 28820), (2358, 28160), (2560, 25938), (2620, 25344), (2640, 25152), (2816, 23580), (2880, 23056), (2882, 23040), (3072, 21615), (3144, 21120), (3168, 20960), (3520, 18864), (3840, 17292), (3930, 16896), (3960, 16768), (4192, 15840), (4224, 15720), (4323, 15360), (4608, 14410), (4716, 14080), (5120, 12969), (5240, 12672), (5280, 12576), (5632, 11790), (5760, 11528), (5764, 11520), (5895, 11264), (6288, 10560), (6336, 10480), (7040, 9432), (7205, 9216), (7680, 8646), (7860, 8448), (7920, 8384)]