20197221120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1933}}^1$

素因数の和:2867

約数の個数: 216

約数和(自身を含む): 69993517776

約数和(自身を除く): 49796296656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 907, 960, 1152, 1280, 1440, 1814, 1920, 1933, 2304, 2721, 2880, 3628, 3840, 3866, 4535, 5442, 5760, 5799, 7256, 7732, 8163, 9070, 9665, 10884, 11520, 11598, 13605, 14512, 15464, 16326, 17397, 18140, 19330, 21768, 23196, 27210, 28995, 29024, 30928, 32652, 34794, 36280, 38660, 40815, 43536, 46392, 54420, 57990, 58048, 61856, 65304, 69588, 72560, 77320, 81630, 86985, 87072, 92784, 108840, 115980, 116096, 123712, 130608, 139176, 145120, 154640, 163260, 173970, 174144, 185568, 217680, 231960, 232192, 247424, 261216, 278352, 290240, 309280, 326520, 347940, 348288, 371136, 435360, 463920, 494848, 522432, 556704, 580480, 618560, 653040, 695880, 696576, 742272, 870720, 927840, 1044864, 1113408, 1160960, 1237120, 1306080, 1391760, 1484544, 1741440, 1753231, 1855680, 2089728, 2226816, 2474240, 2612160, 2783520, 3482880, 3506462, 3711360, 4453632, 5224320, 5259693, 5567040, 7012924, 7422720, 8766155, 10448640, 10519386, 11134080, 14025848, 15779079, 17532310, 21038772, 22268160, 26298465, 28051696, 31558158, 35064620, 42077544, 52596930, 56103392, 63116316, 70129240, 78895395, 84155088, 105193860, 112206784, 126232632, 140258480, 157790790, 168310176, 210387720, 224413568, 252465264, 280516960, 315581580, 336620352, 420775440, 448827136, 504930528, 561033920, 631163160, 673240704, 841550880, 1009861056, 1122067840, 1262326320, 1346481408, 1683101760, 2019722112, 2244135680, 2524652640, 3366203520, 4039444224, 5049305280, 6732407040, 10098610560, 20197221120]

約数ペア:

[(1, 20197221120), (2, 10098610560), (3, 6732407040), (4, 5049305280), (5, 4039444224), (6, 3366203520), (8, 2524652640), (9, 2244135680), (10, 2019722112), (12, 1683101760), (15, 1346481408), (16, 1262326320), (18, 1122067840), (20, 1009861056), (24, 841550880), (30, 673240704), (32, 631163160), (36, 561033920), (40, 504930528), (45, 448827136), (48, 420775440), (60, 336620352), (64, 315581580), (72, 280516960), (80, 252465264), (90, 224413568), (96, 210387720), (120, 168310176), (128, 157790790), (144, 140258480), (160, 126232632), (180, 112206784), (192, 105193860), (240, 84155088), (256, 78895395), (288, 70129240), (320, 63116316), (360, 56103392), (384, 52596930), (480, 42077544), (576, 35064620), (640, 31558158), (720, 28051696), (768, 26298465), (907, 22268160), (960, 21038772), (1152, 17532310), (1280, 15779079), (1440, 14025848), (1814, 11134080), (1920, 10519386), (1933, 10448640), (2304, 8766155), (2721, 7422720), (2880, 7012924), (3628, 5567040), (3840, 5259693), (3866, 5224320), (4535, 4453632), (5442, 3711360), (5760, 3506462), (5799, 3482880), (7256, 2783520), (7732, 2612160), (8163, 2474240), (9070, 2226816), (9665, 2089728), (10884, 1855680), (11520, 1753231), (11598, 1741440), (13605, 1484544), (14512, 1391760), (15464, 1306080), (16326, 1237120), (17397, 1160960), (18140, 1113408), (19330, 1044864), (21768, 927840), (23196, 870720), (27210, 742272), (28995, 696576), (29024, 695880), (30928, 653040), (32652, 618560), (34794, 580480), (36280, 556704), (38660, 522432), (40815, 494848), (43536, 463920), (46392, 435360), (54420, 371136), (57990, 348288), (58048, 347940), (61856, 326520), (65304, 309280), (69588, 290240), (72560, 278352), (77320, 261216), (81630, 247424), (86985, 232192), (87072, 231960), (92784, 217680), (108840, 185568), (115980, 174144), (116096, 173970), (123712, 163260), (130608, 154640), (139176, 145120)]