21516217920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1283}}^1$

素因数の和:1959

約数の個数: 280

約数和(自身を含む): 76715014464

約数和(自身を除く): 55198796544

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 647, 648, 720, 810, 864, 960, 1080, 1283, 1294, 1296, 1440, 1620, 1728, 1941, 2160, 2566, 2588, 2592, 2880, 3235, 3240, 3849, 3882, 4320, 5132, 5176, 5184, 5823, 6415, 6470, 6480, 7698, 7764, 8640, 9705, 10264, 10352, 11547, 11646, 12830, 12940, 12960, 15396, 15528, 17469, 19245, 19410, 20528, 20704, 23094, 23292, 25660, 25880, 25920, 29115, 30792, 31056, 34641, 34938, 38490, 38820, 41056, 41408, 46188, 46584, 51320, 51760, 52407, 57735, 58230, 61584, 62112, 69282, 69876, 76980, 77640, 82112, 87345, 92376, 93168, 102640, 103520, 103923, 104814, 115470, 116460, 123168, 124224, 138564, 139752, 153960, 155280, 173205, 174690, 184752, 186336, 205280, 207040, 207846, 209628, 230940, 232920, 246336, 262035, 277128, 279504, 307920, 310560, 346410, 349380, 369504, 372672, 410560, 415692, 419256, 461880, 465840, 519615, 524070, 554256, 559008, 615840, 621120, 692820, 698760, 739008, 830101, 831384, 838512, 923760, 931680, 1039230, 1048140, 1108512, 1118016, 1231680, 1385640, 1397520, 1660202, 1662768, 1677024, 1847520, 1863360, 2078460, 2096280, 2217024, 2490303, 2771280, 2795040, 3320404, 3325536, 3354048, 3695040, 4150505, 4156920, 4192560, 4980606, 5542560, 5590080, 6640808, 6651072, 7470909, 8301010, 8313840, 8385120, 9961212, 11085120, 12451515, 13281616, 14941818, 16602020, 16627680, 16770240, 19922424, 22412727, 24903030, 26563232, 29883636, 33204040, 33255360, 37354545, 39844848, 44825454, 49806060, 53126464, 59767272, 66408080, 67238181, 74709090, 79689696, 89650908, 99612120, 112063635, 119534544, 132816160, 134476362, 149418180, 159379392, 179301816, 199224240, 224127270, 239069088, 265632320, 268952724, 298836360, 336190905, 358603632, 398448480, 448254540, 478138176, 537905448, 597672720, 672381810, 717207264, 796896960, 896509080, 1075810896, 1195345440, 1344763620, 1434414528, 1793018160, 2151621792, 2390690880, 2689527240, 3586036320, 4303243584, 5379054480, 7172072640, 10758108960, 21516217920]

約数ペア:

[(1, 21516217920), (2, 10758108960), (3, 7172072640), (4, 5379054480), (5, 4303243584), (6, 3586036320), (8, 2689527240), (9, 2390690880), (10, 2151621792), (12, 1793018160), (15, 1434414528), (16, 1344763620), (18, 1195345440), (20, 1075810896), (24, 896509080), (27, 796896960), (30, 717207264), (32, 672381810), (36, 597672720), (40, 537905448), (45, 478138176), (48, 448254540), (54, 398448480), (60, 358603632), (64, 336190905), (72, 298836360), (80, 268952724), (81, 265632320), (90, 239069088), (96, 224127270), (108, 199224240), (120, 179301816), (135, 159379392), (144, 149418180), (160, 134476362), (162, 132816160), (180, 119534544), (192, 112063635), (216, 99612120), (240, 89650908), (270, 79689696), (288, 74709090), (320, 67238181), (324, 66408080), (360, 59767272), (405, 53126464), (432, 49806060), (480, 44825454), (540, 39844848), (576, 37354545), (647, 33255360), (648, 33204040), (720, 29883636), (810, 26563232), (864, 24903030), (960, 22412727), (1080, 19922424), (1283, 16770240), (1294, 16627680), (1296, 16602020), (1440, 14941818), (1620, 13281616), (1728, 12451515), (1941, 11085120), (2160, 9961212), (2566, 8385120), (2588, 8313840), (2592, 8301010), (2880, 7470909), (3235, 6651072), (3240, 6640808), (3849, 5590080), (3882, 5542560), (4320, 4980606), (5132, 4192560), (5176, 4156920), (5184, 4150505), (5823, 3695040), (6415, 3354048), (6470, 3325536), (6480, 3320404), (7698, 2795040), (7764, 2771280), (8640, 2490303), (9705, 2217024), (10264, 2096280), (10352, 2078460), (11547, 1863360), (11646, 1847520), (12830, 1677024), (12940, 1662768), (12960, 1660202), (15396, 1397520), (15528, 1385640), (17469, 1231680), (19245, 1118016), (19410, 1108512), (20528, 1048140), (20704, 1039230), (23094, 931680), (23292, 923760), (25660, 838512), (25880, 831384), (25920, 830101), (29115, 739008), (30792, 698760), (31056, 692820), (34641, 621120), (34938, 615840), (38490, 559008), (38820, 554256), (41056, 524070), (41408, 519615), (46188, 465840), (46584, 461880), (51320, 419256), (51760, 415692), (52407, 410560), (57735, 372672), (58230, 369504), (61584, 349380), (62112, 346410), (69282, 310560), (69876, 307920), (76980, 279504), (77640, 277128), (82112, 262035), (87345, 246336), (92376, 232920), (93168, 230940), (102640, 209628), (103520, 207846), (103923, 207040), (104814, 205280), (115470, 186336), (116460, 184752), (123168, 174690), (124224, 173205), (138564, 155280), (139752, 153960)]