2015507120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{5101}}^1$

素因数の和:5574

約数の個数: 80

約数和(自身を含む): 5124448800

約数和(自身を除く): 3108941680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 449, 880, 898, 1796, 2245, 3592, 4490, 4939, 5101, 7184, 8980, 9878, 10202, 17960, 19756, 20404, 24695, 25505, 35920, 39512, 40808, 49390, 51010, 56111, 79024, 81616, 98780, 102020, 112222, 197560, 204040, 224444, 280555, 395120, 408080, 448888, 561110, 897776, 1122220, 2244440, 2290349, 4488880, 4580698, 9161396, 11451745, 18322792, 22903490, 25193839, 36645584, 45806980, 50387678, 91613960, 100775356, 125969195, 183227920, 201550712, 251938390, 403101424, 503876780, 1007753560, 2015507120]

約数ペア:

[(1, 2015507120), (2, 1007753560), (4, 503876780), (5, 403101424), (8, 251938390), (10, 201550712), (11, 183227920), (16, 125969195), (20, 100775356), (22, 91613960), (40, 50387678), (44, 45806980), (55, 36645584), (80, 25193839), (88, 22903490), (110, 18322792), (176, 11451745), (220, 9161396), (440, 4580698), (449, 4488880), (880, 2290349), (898, 2244440), (1796, 1122220), (2245, 897776), (3592, 561110), (4490, 448888), (4939, 408080), (5101, 395120), (7184, 280555), (8980, 224444), (9878, 204040), (10202, 197560), (17960, 112222), (19756, 102020), (20404, 98780), (24695, 81616), (25505, 79024), (35920, 56111), (39512, 51010), (40808, 49390)]