1218946880

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{81047}}^1$

素因数の和:81111

約数の個数: 56

約数和(自身を含む): 2964411648

約数和(自身を除く): 1745464768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 7520, 15040, 81047, 162094, 324188, 405235, 648376, 810470, 1296752, 1620940, 2593504, 3241880, 3809209, 5187008, 6483760, 7618418, 12967520, 15236836, 19046045, 25935040, 30473672, 38092090, 60947344, 76184180, 121894688, 152368360, 243789376, 304736720, 609473440, 1218946880]

約数ペア:

[(1, 1218946880), (2, 609473440), (4, 304736720), (5, 243789376), (8, 152368360), (10, 121894688), (16, 76184180), (20, 60947344), (32, 38092090), (40, 30473672), (47, 25935040), (64, 19046045), (80, 15236836), (94, 12967520), (160, 7618418), (188, 6483760), (235, 5187008), (320, 3809209), (376, 3241880), (470, 2593504), (752, 1620940), (940, 1296752), (1504, 810470), (1880, 648376), (3008, 405235), (3760, 324188), (7520, 162094), (15040, 81047)]