320347720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{104009}}^1$

素因数の和:104038

約数の個数: 64

約数和(自身を含む): 898646400

約数和(自身を除く): 578298680

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, 104009, 208018, 416036, 520045, 728063, 832072, 1040090, 1144099, 1456126, 2080180, 2288198, 2912252, 3640315, 4160360, 4576396, 5720495, 5824504, 7280630, 8008693, 9152792, 11440990, 14561260, 16017386, 22881980, 29122520, 32034772, 40043465, 45763960, 64069544, 80086930, 160173860, 320347720]

約数ペア:

[(1, 320347720), (2, 160173860), (4, 80086930), (5, 64069544), (7, 45763960), (8, 40043465), (10, 32034772), (11, 29122520), (14, 22881980), (20, 16017386), (22, 14561260), (28, 11440990), (35, 9152792), (40, 8008693), (44, 7280630), (55, 5824504), (56, 5720495), (70, 4576396), (77, 4160360), (88, 3640315), (110, 2912252), (140, 2288198), (154, 2080180), (220, 1456126), (280, 1144099), (308, 1040090), (385, 832072), (440, 728063), (616, 520045), (770, 416036), (1540, 208018), (3080, 104009)]