208909920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 487819680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 127, 138, 149, 160, 184, 230, 240, 254, 276, 298, 345, 368, 381, 447, 460, 480, 508, 552, 596, 635, 690, 736, 745, 762, 894, 920, 1016, 1104, 1192, 1270, 1380, 1490, 1524, 1788, 1840, 1905, 2032, 2208, 2235, 2384, 2540, 2760, 2921, 2980, 3048, 3427, 3576, 3680, 3810, 4064, 4470, 4768, 5080, 5520, 5842, 5960, 6096, 6854, 7152, 7620, 8763, 8940, 10160, 10281, 11040, 11684, 11920, 12192, 13708, 14304, 14605, 15240, 17135, 17526, 17880, 18923, 20320, 20562, 23368, 23840, 27416, 29210, 30480, 34270, 35052, 35760, 37846, 41124, 43815, 46736, 51405, 54832, 56769, 58420, 60960, 68540, 70104, 71520, 75692, 82248, 87630, 93472, 94615, 102810, 109664, 113538, 116840, 137080, 140208, 151384, 164496, 175260, 189230, 205620, 227076, 233680, 274160, 280416, 283845, 302768, 328992, 350520, 378460, 411240, 435229, 454152, 467360, 548320, 567690, 605536, 701040, 756920, 822480, 870458, 908304, 1135380, 1305687, 1402080, 1513840, 1644960, 1740916, 1816608, 2176145, 2270760, 2611374, 3027680, 3481832, 4352290, 4541520, 5222748, 6528435, 6963664, 8704580, 9083040, 10445496, 13056870, 13927328, 17409160, 20890992, 26113740, 34818320, 41781984, 52227480, 69636640, 104454960, 208909920]

約数ペア:

[(1, 208909920), (2, 104454960), (3, 69636640), (4, 52227480), (5, 41781984), (6, 34818320), (8, 26113740), (10, 20890992), (12, 17409160), (15, 13927328), (16, 13056870), (20, 10445496), (23, 9083040), (24, 8704580), (30, 6963664), (32, 6528435), (40, 5222748), (46, 4541520), (48, 4352290), (60, 3481832), (69, 3027680), (80, 2611374), (92, 2270760), (96, 2176145), (115, 1816608), (120, 1740916), (127, 1644960), (138, 1513840), (149, 1402080), (160, 1305687), (184, 1135380), (230, 908304), (240, 870458), (254, 822480), (276, 756920), (298, 701040), (345, 605536), (368, 567690), (381, 548320), (447, 467360), (460, 454152), (480, 435229), (508, 411240), (552, 378460), (596, 350520), (635, 328992), (690, 302768), (736, 283845), (745, 280416), (762, 274160), (894, 233680), (920, 227076), (1016, 205620), (1104, 189230), (1192, 175260), (1270, 164496), (1380, 151384), (1490, 140208), (1524, 137080), (1788, 116840), (1840, 113538), (1905, 109664), (2032, 102810), (2208, 94615), (2235, 93472), (2384, 87630), (2540, 82248), (2760, 75692), (2921, 71520), (2980, 70104), (3048, 68540), (3427, 60960), (3576, 58420), (3680, 56769), (3810, 54832), (4064, 51405), (4470, 46736), (4768, 43815), (5080, 41124), (5520, 37846), (5842, 35760), (5960, 35052), (6096, 34270), (6854, 30480), (7152, 29210), (7620, 27416), (8763, 23840), (8940, 23368), (10160, 20562), (10281, 20320), (11040, 18923), (11684, 17880), (11920, 17526), (12192, 17135), (13708, 15240), (14304, 14605)]