2018025840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{178903}}^1$

素因数の和:178966

約数の個数: 80

約数和(自身を含む): 6389019648

約数和(自身を除く): 4370993808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 178903, 357806, 536709, 715612, 894515, 1073418, 1431224, 1789030, 2146836, 2683545, 2862448, 3578060, 4293672, 5367090, 7156120, 8408441, 8587344, 10734180, 14312240, 16816882, 21468360, 25225323, 33633764, 42042205, 42936720, 50450646, 67267528, 84084410, 100901292, 126126615, 134535056, 168168820, 201802584, 252253230, 336337640, 403605168, 504506460, 672675280, 1009012920, 2018025840]

約数ペア:

[(1, 2018025840), (2, 1009012920), (3, 672675280), (4, 504506460), (5, 403605168), (6, 336337640), (8, 252253230), (10, 201802584), (12, 168168820), (15, 134535056), (16, 126126615), (20, 100901292), (24, 84084410), (30, 67267528), (40, 50450646), (47, 42936720), (48, 42042205), (60, 33633764), (80, 25225323), (94, 21468360), (120, 16816882), (141, 14312240), (188, 10734180), (235, 8587344), (240, 8408441), (282, 7156120), (376, 5367090), (470, 4293672), (564, 3578060), (705, 2862448), (752, 2683545), (940, 2146836), (1128, 1789030), (1410, 1431224), (1880, 1073418), (2256, 894515), (2820, 715612), (3760, 536709), (5640, 357806), (11280, 178903)]