2015281040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{7549}}^1$

素因数の和:7680

約数の個数: 80

約数和(自身を含む): 4853260800

約数和(自身を除く): 2837979760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 752, 940, 1136, 1420, 1880, 2840, 3337, 3760, 5680, 6674, 7549, 13348, 15098, 16685, 26696, 30196, 33370, 37745, 53392, 60392, 66740, 75490, 120784, 133480, 150980, 266960, 301960, 354803, 535979, 603920, 709606, 1071958, 1419212, 1774015, 2143916, 2679895, 2838424, 3548030, 4287832, 5359790, 5676848, 7096060, 8575664, 10719580, 14192120, 21439160, 25191013, 28384240, 42878320, 50382026, 100764052, 125955065, 201528104, 251910130, 403056208, 503820260, 1007640520, 2015281040]

約数ペア:

[(1, 2015281040), (2, 1007640520), (4, 503820260), (5, 403056208), (8, 251910130), (10, 201528104), (16, 125955065), (20, 100764052), (40, 50382026), (47, 42878320), (71, 28384240), (80, 25191013), (94, 21439160), (142, 14192120), (188, 10719580), (235, 8575664), (284, 7096060), (355, 5676848), (376, 5359790), (470, 4287832), (568, 3548030), (710, 2838424), (752, 2679895), (940, 2143916), (1136, 1774015), (1420, 1419212), (1880, 1071958), (2840, 709606), (3337, 603920), (3760, 535979), (5680, 354803), (6674, 301960), (7549, 266960), (13348, 150980), (15098, 133480), (16685, 120784), (26696, 75490), (30196, 66740), (33370, 60392), (37745, 53392)]