81747360

素因数分解:

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

素因数の和:300

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 208556640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 127, 135, 144, 149, 160, 180, 216, 240, 254, 270, 288, 298, 360, 381, 432, 447, 480, 508, 540, 596, 635, 720, 745, 762, 864, 894, 1016, 1080, 1143, 1192, 1270, 1341, 1440, 1490, 1524, 1788, 1905, 2032, 2160, 2235, 2286, 2384, 2540, 2682, 2980, 3048, 3429, 3576, 3810, 4023, 4064, 4320, 4470, 4572, 4768, 5080, 5364, 5715, 5960, 6096, 6705, 6858, 7152, 7620, 8046, 8940, 9144, 10160, 10728, 11430, 11920, 12192, 13410, 13716, 14304, 15240, 16092, 17145, 17880, 18288, 18923, 20115, 20320, 21456, 22860, 23840, 26820, 27432, 30480, 32184, 34290, 35760, 36576, 37846, 40230, 42912, 45720, 53640, 54864, 56769, 60960, 64368, 68580, 71520, 75692, 80460, 91440, 94615, 107280, 109728, 113538, 128736, 137160, 151384, 160920, 170307, 182880, 189230, 214560, 227076, 274320, 283845, 302768, 321840, 340614, 378460, 454152, 510921, 548640, 567690, 605536, 643680, 681228, 756920, 851535, 908304, 1021842, 1135380, 1362456, 1513840, 1703070, 1816608, 2043684, 2270760, 2554605, 2724912, 3027680, 3406140, 4087368, 4541520, 5109210, 5449824, 6812280, 8174736, 9083040, 10218420, 13624560, 16349472, 20436840, 27249120, 40873680, 81747360]

約数ペア:

[(1, 81747360), (2, 40873680), (3, 27249120), (4, 20436840), (5, 16349472), (6, 13624560), (8, 10218420), (9, 9083040), (10, 8174736), (12, 6812280), (15, 5449824), (16, 5109210), (18, 4541520), (20, 4087368), (24, 3406140), (27, 3027680), (30, 2724912), (32, 2554605), (36, 2270760), (40, 2043684), (45, 1816608), (48, 1703070), (54, 1513840), (60, 1362456), (72, 1135380), (80, 1021842), (90, 908304), (96, 851535), (108, 756920), (120, 681228), (127, 643680), (135, 605536), (144, 567690), (149, 548640), (160, 510921), (180, 454152), (216, 378460), (240, 340614), (254, 321840), (270, 302768), (288, 283845), (298, 274320), (360, 227076), (381, 214560), (432, 189230), (447, 182880), (480, 170307), (508, 160920), (540, 151384), (596, 137160), (635, 128736), (720, 113538), (745, 109728), (762, 107280), (864, 94615), (894, 91440), (1016, 80460), (1080, 75692), (1143, 71520), (1192, 68580), (1270, 64368), (1341, 60960), (1440, 56769), (1490, 54864), (1524, 53640), (1788, 45720), (1905, 42912), (2032, 40230), (2160, 37846), (2235, 36576), (2286, 35760), (2384, 34290), (2540, 32184), (2682, 30480), (2980, 27432), (3048, 26820), (3429, 23840), (3576, 22860), (3810, 21456), (4023, 20320), (4064, 20115), (4320, 18923), (4470, 18288), (4572, 17880), (4768, 17145), (5080, 16092), (5364, 15240), (5715, 14304), (5960, 13716), (6096, 13410), (6705, 12192), (6858, 11920), (7152, 11430), (7620, 10728), (8046, 10160), (8940, 9144)]