79830520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25919}}^1$

素因数の和:25948

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 144118280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25919, 51838, 103676, 129595, 181433, 207352, 259190, 285109, 362866, 518380, 570218, 725732, 907165, 1036760, 1140436, 1425545, 1451464, 1814330, 1995763, 2280872, 2851090, 3628660, 3991526, 5702180, 7257320, 7983052, 9978815, 11404360, 15966104, 19957630, 39915260, 79830520]

約数ペア:

[(1, 79830520), (2, 39915260), (4, 19957630), (5, 15966104), (7, 11404360), (8, 9978815), (10, 7983052), (11, 7257320), (14, 5702180), (20, 3991526), (22, 3628660), (28, 2851090), (35, 2280872), (40, 1995763), (44, 1814330), (55, 1451464), (56, 1425545), (70, 1140436), (77, 1036760), (88, 907165), (110, 725732), (140, 570218), (154, 518380), (220, 362866), (280, 285109), (308, 259190), (385, 207352), (440, 181433), (616, 129595), (770, 103676), (1540, 51838), (3080, 25919)]