19989076320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35869}}^1$

素因数の和:35939

約数の個数: 240

約数和(自身を含む): 72187370640

約数和(自身を除く): 52198294320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 96, 108, 120, 129, 135, 144, 160, 162, 172, 180, 215, 216, 240, 258, 270, 288, 324, 344, 360, 387, 405, 430, 432, 480, 516, 540, 645, 648, 688, 720, 774, 810, 860, 864, 1032, 1080, 1161, 1290, 1296, 1376, 1440, 1548, 1620, 1720, 1935, 2064, 2160, 2322, 2580, 2592, 3096, 3240, 3440, 3483, 3870, 4128, 4320, 4644, 5160, 5805, 6192, 6480, 6880, 6966, 7740, 9288, 10320, 11610, 12384, 12960, 13932, 15480, 17415, 18576, 20640, 23220, 27864, 30960, 34830, 35869, 37152, 46440, 55728, 61920, 69660, 71738, 92880, 107607, 111456, 139320, 143476, 179345, 185760, 215214, 278640, 286952, 322821, 358690, 430428, 538035, 557280, 573904, 645642, 717380, 860856, 968463, 1076070, 1147808, 1291284, 1434760, 1542367, 1614105, 1721712, 1936926, 2152140, 2582568, 2869520, 2905389, 3084734, 3228210, 3443424, 3873852, 4304280, 4627101, 4842315, 5165136, 5739040, 5810778, 6169468, 6456420, 7711835, 7747704, 8608560, 9254202, 9684630, 10330272, 11621556, 12338936, 12912840, 13881303, 14526945, 15423670, 15495408, 17217120, 18508404, 19369260, 23135505, 23243112, 24677872, 25825680, 27762606, 29053890, 30847340, 30990816, 37016808, 38738520, 41643909, 46271010, 46486224, 49355744, 51651360, 55525212, 58107780, 61694680, 69406515, 74033616, 77477040, 83287818, 92542020, 92972448, 111050424, 116215560, 123389360, 124931727, 138813030, 148067232, 154954080, 166575636, 185084040, 208219545, 222100848, 232431120, 246778720, 249863454, 277626060, 333151272, 370168080, 416439090, 444201696, 464862240, 499726908, 555252120, 624658635, 666302544, 740336160, 832878180, 999453816, 1110504240, 1249317270, 1332605088, 1665756360, 1998907632, 2221008480, 2498634540, 3331512720, 3997815264, 4997269080, 6663025440, 9994538160, 19989076320]

約数ペア:

[(1, 19989076320), (2, 9994538160), (3, 6663025440), (4, 4997269080), (5, 3997815264), (6, 3331512720), (8, 2498634540), (9, 2221008480), (10, 1998907632), (12, 1665756360), (15, 1332605088), (16, 1249317270), (18, 1110504240), (20, 999453816), (24, 832878180), (27, 740336160), (30, 666302544), (32, 624658635), (36, 555252120), (40, 499726908), (43, 464862240), (45, 444201696), (48, 416439090), (54, 370168080), (60, 333151272), (72, 277626060), (80, 249863454), (81, 246778720), (86, 232431120), (90, 222100848), (96, 208219545), (108, 185084040), (120, 166575636), (129, 154954080), (135, 148067232), (144, 138813030), (160, 124931727), (162, 123389360), (172, 116215560), (180, 111050424), (215, 92972448), (216, 92542020), (240, 83287818), (258, 77477040), (270, 74033616), (288, 69406515), (324, 61694680), (344, 58107780), (360, 55525212), (387, 51651360), (405, 49355744), (430, 46486224), (432, 46271010), (480, 41643909), (516, 38738520), (540, 37016808), (645, 30990816), (648, 30847340), (688, 29053890), (720, 27762606), (774, 25825680), (810, 24677872), (860, 23243112), (864, 23135505), (1032, 19369260), (1080, 18508404), (1161, 17217120), (1290, 15495408), (1296, 15423670), (1376, 14526945), (1440, 13881303), (1548, 12912840), (1620, 12338936), (1720, 11621556), (1935, 10330272), (2064, 9684630), (2160, 9254202), (2322, 8608560), (2580, 7747704), (2592, 7711835), (3096, 6456420), (3240, 6169468), (3440, 5810778), (3483, 5739040), (3870, 5165136), (4128, 4842315), (4320, 4627101), (4644, 4304280), (5160, 3873852), (5805, 3443424), (6192, 3228210), (6480, 3084734), (6880, 2905389), (6966, 2869520), (7740, 2582568), (9288, 2152140), (10320, 1936926), (11610, 1721712), (12384, 1614105), (12960, 1542367), (13932, 1434760), (15480, 1291284), (17415, 1147808), (18576, 1076070), (20640, 968463), (23220, 860856), (27864, 717380), (30960, 645642), (34830, 573904), (35869, 557280), (37152, 538035), (46440, 430428), (55728, 358690), (61920, 322821), (69660, 286952), (71738, 278640), (92880, 215214), (107607, 185760), (111456, 179345), (139320, 143476)]