3960880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 11499264

約数和(自身を除く): 7538384

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 643, 770, 880, 1232, 1286, 1540, 2572, 3080, 3215, 4501, 5144, 6160, 6430, 7073, 9002, 10288, 12860, 14146, 18004, 22505, 25720, 28292, 35365, 36008, 45010, 49511, 51440, 56584, 70730, 72016, 90020, 99022, 113168, 141460, 180040, 198044, 247555, 282920, 360080, 396088, 495110, 565840, 792176, 990220, 1980440, 3960880]

約数ペア:

[(1, 3960880), (2, 1980440), (4, 990220), (5, 792176), (7, 565840), (8, 495110), (10, 396088), (11, 360080), (14, 282920), (16, 247555), (20, 198044), (22, 180040), (28, 141460), (35, 113168), (40, 99022), (44, 90020), (55, 72016), (56, 70730), (70, 56584), (77, 51440), (80, 49511), (88, 45010), (110, 36008), (112, 35365), (140, 28292), (154, 25720), (176, 22505), (220, 18004), (280, 14146), (308, 12860), (385, 10288), (440, 9002), (560, 7073), (616, 6430), (643, 6160), (770, 5144), (880, 4501), (1232, 3215), (1286, 3080), (1540, 2572)]