1881326080

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 160

約数和(自身を含む): 4825941120

約数和(自身を除く): 2944615040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 139, 160, 170, 256, 272, 278, 311, 320, 340, 512, 544, 556, 622, 640, 680, 695, 1088, 1112, 1244, 1280, 1360, 1390, 1555, 2176, 2224, 2363, 2488, 2560, 2720, 2780, 3110, 4352, 4448, 4726, 4976, 5287, 5440, 5560, 6220, 8704, 8896, 9452, 9952, 10574, 10880, 11120, 11815, 12440, 17792, 18904, 19904, 21148, 21760, 22240, 23630, 24880, 26435, 35584, 37808, 39808, 42296, 43229, 43520, 44480, 47260, 49760, 52870, 71168, 75616, 79616, 84592, 86458, 88960, 94520, 99520, 105740, 151232, 159232, 169184, 172916, 177920, 189040, 199040, 211480, 216145, 302464, 338368, 345832, 355840, 378080, 398080, 422960, 432290, 604928, 676736, 691664, 734893, 756160, 796160, 845920, 864580, 1209856, 1353472, 1383328, 1469786, 1512320, 1691840, 1729160, 2706944, 2766656, 2939572, 3024640, 3383680, 3458320, 3674465, 5533312, 5879144, 6049280, 6767360, 6916640, 7348930, 11066624, 11758288, 13534720, 13833280, 14697860, 22133248, 23516576, 27666560, 29395720, 47033152, 55333120, 58791440, 94066304, 110666240, 117582880, 188132608, 235165760, 376265216, 470331520, 940663040, 1881326080]

約数ペア:

[(1, 1881326080), (2, 940663040), (4, 470331520), (5, 376265216), (8, 235165760), (10, 188132608), (16, 117582880), (17, 110666240), (20, 94066304), (32, 58791440), (34, 55333120), (40, 47033152), (64, 29395720), (68, 27666560), (80, 23516576), (85, 22133248), (128, 14697860), (136, 13833280), (139, 13534720), (160, 11758288), (170, 11066624), (256, 7348930), (272, 6916640), (278, 6767360), (311, 6049280), (320, 5879144), (340, 5533312), (512, 3674465), (544, 3458320), (556, 3383680), (622, 3024640), (640, 2939572), (680, 2766656), (695, 2706944), (1088, 1729160), (1112, 1691840), (1244, 1512320), (1280, 1469786), (1360, 1383328), (1390, 1353472), (1555, 1209856), (2176, 864580), (2224, 845920), (2363, 796160), (2488, 756160), (2560, 734893), (2720, 691664), (2780, 676736), (3110, 604928), (4352, 432290), (4448, 422960), (4726, 398080), (4976, 378080), (5287, 355840), (5440, 345832), (5560, 338368), (6220, 302464), (8704, 216145), (8896, 211480), (9452, 199040), (9952, 189040), (10574, 177920), (10880, 172916), (11120, 169184), (11815, 159232), (12440, 151232), (17792, 105740), (18904, 99520), (19904, 94520), (21148, 88960), (21760, 86458), (22240, 84592), (23630, 79616), (24880, 75616), (26435, 71168), (35584, 52870), (37808, 49760), (39808, 47260), (42296, 44480), (43229, 43520)]