638616960

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 320

約数和(自身を含む): 2322270720

約数和(自身を除く): 1683653760

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, 97, 108, 120, 127, 128, 135, 144, 160, 162, 180, 192, 194, 216, 240, 254, 270, 288, 291, 320, 324, 360, 381, 384, 388, 405, 432, 480, 485, 508, 540, 576, 582, 635, 640, 648, 720, 762, 776, 810, 864, 873, 960, 970, 1016, 1080, 1143, 1152, 1164, 1270, 1296, 1440, 1455, 1524, 1552, 1620, 1728, 1746, 1905, 1920, 1940, 2032, 2160, 2286, 2328, 2540, 2592, 2619, 2880, 2910, 3048, 3104, 3240, 3429, 3456, 3492, 3810, 3880, 4064, 4320, 4365, 4572, 4656, 5080, 5184, 5238, 5715, 5760, 5820, 6096, 6208, 6480, 6858, 6984, 7620, 7760, 7857, 8128, 8640, 8730, 9144, 9312, 10160, 10287, 10368, 10476, 11430, 11640, 12192, 12319, 12416, 12960, 13095, 13716, 13968, 15240, 15520, 15714, 16256, 17145, 17280, 17460, 18288, 18624, 20320, 20574, 20952, 22860, 23280, 24384, 24638, 25920, 26190, 27432, 27936, 30480, 31040, 31428, 34290, 34920, 36576, 36957, 37248, 39285, 40640, 41148, 41904, 45720, 46560, 48768, 49276, 51435, 51840, 52380, 54864, 55872, 60960, 61595, 62080, 62856, 68580, 69840, 73152, 73914, 78570, 81280, 82296, 83808, 91440, 93120, 98552, 102870, 104760, 109728, 110871, 111744, 121920, 123190, 125712, 137160, 139680, 146304, 147828, 157140, 164592, 167616, 182880, 184785, 186240, 197104, 205740, 209520, 219456, 221742, 243840, 246380, 251424, 274320, 279360, 295656, 314280, 329184, 332613, 335232, 365760, 369570, 394208, 411480, 419040, 438912, 443484, 492760, 502848, 548640, 554355, 558720, 591312, 628560, 658368, 665226, 731520, 739140, 788416, 822960, 838080, 886968, 985520, 997839, 1005696, 1097280, 1108710, 1182624, 1257120, 1316736, 1330452, 1478280, 1576832, 1645920, 1663065, 1676160, 1773936, 1971040, 1995678, 2194560, 2217420, 2365248, 2514240, 2660904, 2956560, 3291840, 3326130, 3547872, 3942080, 3991356, 4434840, 4730496, 4989195, 5028480, 5321808, 5913120, 6583680, 6652260, 7095744, 7884160, 7982712, 8869680, 9978390, 10643616, 11826240, 13304520, 14191488, 15965424, 17739360, 19956780, 21287232, 23652480, 26609040, 31930848, 35478720, 39913560, 42574464, 53218080, 63861696, 70957440, 79827120, 106436160, 127723392, 159654240, 212872320, 319308480, 638616960]

約数ペア:

[(1, 638616960), (2, 319308480), (3, 212872320), (4, 159654240), (5, 127723392), (6, 106436160), (8, 79827120), (9, 70957440), (10, 63861696), (12, 53218080), (15, 42574464), (16, 39913560), (18, 35478720), (20, 31930848), (24, 26609040), (27, 23652480), (30, 21287232), (32, 19956780), (36, 17739360), (40, 15965424), (45, 14191488), (48, 13304520), (54, 11826240), (60, 10643616), (64, 9978390), (72, 8869680), (80, 7982712), (81, 7884160), (90, 7095744), (96, 6652260), (97, 6583680), (108, 5913120), (120, 5321808), (127, 5028480), (128, 4989195), (135, 4730496), (144, 4434840), (160, 3991356), (162, 3942080), (180, 3547872), (192, 3326130), (194, 3291840), (216, 2956560), (240, 2660904), (254, 2514240), (270, 2365248), (288, 2217420), (291, 2194560), (320, 1995678), (324, 1971040), (360, 1773936), (381, 1676160), (384, 1663065), (388, 1645920), (405, 1576832), (432, 1478280), (480, 1330452), (485, 1316736), (508, 1257120), (540, 1182624), (576, 1108710), (582, 1097280), (635, 1005696), (640, 997839), (648, 985520), (720, 886968), (762, 838080), (776, 822960), (810, 788416), (864, 739140), (873, 731520), (960, 665226), (970, 658368), (1016, 628560), (1080, 591312), (1143, 558720), (1152, 554355), (1164, 548640), (1270, 502848), (1296, 492760), (1440, 443484), (1455, 438912), (1524, 419040), (1552, 411480), (1620, 394208), (1728, 369570), (1746, 365760), (1905, 335232), (1920, 332613), (1940, 329184), (2032, 314280), (2160, 295656), (2286, 279360), (2328, 274320), (2540, 251424), (2592, 246380), (2619, 243840), (2880, 221742), (2910, 219456), (3048, 209520), (3104, 205740), (3240, 197104), (3429, 186240), (3456, 184785), (3492, 182880), (3810, 167616), (3880, 164592), (4064, 157140), (4320, 147828), (4365, 146304), (4572, 139680), (4656, 137160), (5080, 125712), (5184, 123190), (5238, 121920), (5715, 111744), (5760, 110871), (5820, 109728), (6096, 104760), (6208, 102870), (6480, 98552), (6858, 93120), (6984, 91440), (7620, 83808), (7760, 82296), (7857, 81280), (8128, 78570), (8640, 73914), (8730, 73152), (9144, 69840), (9312, 68580), (10160, 62856), (10287, 62080), (10368, 61595), (10476, 60960), (11430, 55872), (11640, 54864), (12192, 52380), (12319, 51840), (12416, 51435), (12960, 49276), (13095, 48768), (13716, 46560), (13968, 45720), (15240, 41904), (15520, 41148), (15714, 40640), (16256, 39285), (17145, 37248), (17280, 36957), (17460, 36576), (18288, 34920), (18624, 34290), (20320, 31428), (20574, 31040), (20952, 30480), (22860, 27936), (23280, 27432), (24384, 26190), (24638, 25920)]