28990080

素因数分解:

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

素因数の和:751

約数の個数: 192

約数和(自身を含む): 114566400

約数和(自身を除く): 85576320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 719, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1438, 1440, 1680, 1920, 2016, 2157, 2240, 2520, 2688, 2876, 2880, 3360, 3595, 4032, 4314, 4480, 5033, 5040, 5752, 5760, 6471, 6720, 7190, 8064, 8628, 10066, 10080, 10785, 11504, 12942, 13440, 14380, 15099, 17256, 20132, 20160, 21570, 23008, 25165, 25884, 28760, 30198, 32355, 34512, 40264, 40320, 43140, 45297, 46016, 50330, 51768, 57520, 60396, 64710, 69024, 75495, 80528, 86280, 90594, 92032, 100660, 103536, 115040, 120792, 129420, 138048, 150990, 161056, 172560, 181188, 201320, 207072, 226485, 230080, 241584, 258840, 276096, 301980, 322112, 345120, 362376, 402640, 414144, 452970, 460160, 483168, 517680, 603960, 644224, 690240, 724752, 805280, 828288, 905940, 966336, 1035360, 1207920, 1380480, 1449504, 1610560, 1811880, 1932672, 2070720, 2415840, 2899008, 3221120, 3623760, 4141440, 4831680, 5798016, 7247520, 9663360, 14495040, 28990080]

約数ペア:

[(1, 28990080), (2, 14495040), (3, 9663360), (4, 7247520), (5, 5798016), (6, 4831680), (7, 4141440), (8, 3623760), (9, 3221120), (10, 2899008), (12, 2415840), (14, 2070720), (15, 1932672), (16, 1811880), (18, 1610560), (20, 1449504), (21, 1380480), (24, 1207920), (28, 1035360), (30, 966336), (32, 905940), (35, 828288), (36, 805280), (40, 724752), (42, 690240), (45, 644224), (48, 603960), (56, 517680), (60, 483168), (63, 460160), (64, 452970), (70, 414144), (72, 402640), (80, 362376), (84, 345120), (90, 322112), (96, 301980), (105, 276096), (112, 258840), (120, 241584), (126, 230080), (128, 226485), (140, 207072), (144, 201320), (160, 181188), (168, 172560), (180, 161056), (192, 150990), (210, 138048), (224, 129420), (240, 120792), (252, 115040), (280, 103536), (288, 100660), (315, 92032), (320, 90594), (336, 86280), (360, 80528), (384, 75495), (420, 69024), (448, 64710), (480, 60396), (504, 57520), (560, 51768), (576, 50330), (630, 46016), (640, 45297), (672, 43140), (719, 40320), (720, 40264), (840, 34512), (896, 32355), (960, 30198), (1008, 28760), (1120, 25884), (1152, 25165), (1260, 23008), (1344, 21570), (1438, 20160), (1440, 20132), (1680, 17256), (1920, 15099), (2016, 14380), (2157, 13440), (2240, 12942), (2520, 11504), (2688, 10785), (2876, 10080), (2880, 10066), (3360, 8628), (3595, 8064), (4032, 7190), (4314, 6720), (4480, 6471), (5033, 5760), (5040, 5752)]