1212751680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:997

約数の個数: 224

約数和(自身を含む): 4424232960

約数和(自身を除く): 3211481280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 251, 280, 320, 336, 420, 448, 480, 502, 560, 672, 719, 753, 840, 960, 1004, 1120, 1255, 1344, 1438, 1506, 1680, 1757, 2008, 2157, 2240, 2510, 2876, 3012, 3360, 3514, 3595, 3765, 4016, 4314, 5020, 5033, 5271, 5752, 6024, 6720, 7028, 7190, 7530, 8032, 8628, 8785, 10040, 10066, 10542, 10785, 11504, 12048, 14056, 14380, 15060, 15099, 16064, 17256, 17570, 20080, 20132, 21084, 21570, 23008, 24096, 25165, 26355, 28112, 28760, 30120, 30198, 34512, 35140, 40160, 40264, 42168, 43140, 46016, 48192, 50330, 52710, 56224, 57520, 60240, 60396, 69024, 70280, 75495, 80320, 80528, 84336, 86280, 100660, 105420, 112448, 115040, 120480, 120792, 138048, 140560, 150990, 161056, 168672, 172560, 180469, 201320, 210840, 230080, 240960, 241584, 281120, 301980, 322112, 337344, 345120, 360938, 402640, 421680, 483168, 541407, 562240, 603960, 690240, 721876, 805280, 843360, 902345, 966336, 1082814, 1207920, 1263283, 1443752, 1610560, 1686720, 1804690, 2165628, 2415840, 2526566, 2707035, 2887504, 3609380, 3789849, 4331256, 4831680, 5053132, 5414070, 5775008, 6316415, 7218760, 7579698, 8662512, 10106264, 10828140, 11550016, 12632830, 14437520, 15159396, 17325024, 18949245, 20212528, 21656280, 25265660, 28875040, 30318792, 34650048, 37898490, 40425056, 43312560, 50531320, 57750080, 60637584, 75796980, 80850112, 86625120, 101062640, 121275168, 151593960, 173250240, 202125280, 242550336, 303187920, 404250560, 606375840, 1212751680]

約数ペア:

[(1, 1212751680), (2, 606375840), (3, 404250560), (4, 303187920), (5, 242550336), (6, 202125280), (7, 173250240), (8, 151593960), (10, 121275168), (12, 101062640), (14, 86625120), (15, 80850112), (16, 75796980), (20, 60637584), (21, 57750080), (24, 50531320), (28, 43312560), (30, 40425056), (32, 37898490), (35, 34650048), (40, 30318792), (42, 28875040), (48, 25265660), (56, 21656280), (60, 20212528), (64, 18949245), (70, 17325024), (80, 15159396), (84, 14437520), (96, 12632830), (105, 11550016), (112, 10828140), (120, 10106264), (140, 8662512), (160, 7579698), (168, 7218760), (192, 6316415), (210, 5775008), (224, 5414070), (240, 5053132), (251, 4831680), (280, 4331256), (320, 3789849), (336, 3609380), (420, 2887504), (448, 2707035), (480, 2526566), (502, 2415840), (560, 2165628), (672, 1804690), (719, 1686720), (753, 1610560), (840, 1443752), (960, 1263283), (1004, 1207920), (1120, 1082814), (1255, 966336), (1344, 902345), (1438, 843360), (1506, 805280), (1680, 721876), (1757, 690240), (2008, 603960), (2157, 562240), (2240, 541407), (2510, 483168), (2876, 421680), (3012, 402640), (3360, 360938), (3514, 345120), (3595, 337344), (3765, 322112), (4016, 301980), (4314, 281120), (5020, 241584), (5033, 240960), (5271, 230080), (5752, 210840), (6024, 201320), (6720, 180469), (7028, 172560), (7190, 168672), (7530, 161056), (8032, 150990), (8628, 140560), (8785, 138048), (10040, 120792), (10066, 120480), (10542, 115040), (10785, 112448), (11504, 105420), (12048, 100660), (14056, 86280), (14380, 84336), (15060, 80528), (15099, 80320), (16064, 75495), (17256, 70280), (17570, 69024), (20080, 60396), (20132, 60240), (21084, 57520), (21570, 56224), (23008, 52710), (24096, 50330), (25165, 48192), (26355, 46016), (28112, 43140), (28760, 42168), (30120, 40264), (30198, 40160), (34512, 35140)]