7921760

素因数分解:

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

素因数の和:676

約数の個数: 96

約数和(自身を含む): 23369472

約数和(自身を除く): 15447712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 643, 770, 880, 1120, 1232, 1286, 1540, 1760, 2464, 2572, 3080, 3215, 4501, 5144, 6160, 6430, 7073, 9002, 10288, 12320, 12860, 14146, 18004, 20576, 22505, 25720, 28292, 35365, 36008, 45010, 49511, 51440, 56584, 70730, 72016, 90020, 99022, 102880, 113168, 141460, 144032, 180040, 198044, 226336, 247555, 282920, 360080, 396088, 495110, 565840, 720160, 792176, 990220, 1131680, 1584352, 1980440, 3960880, 7921760]

約数ペア:

[(1, 7921760), (2, 3960880), (4, 1980440), (5, 1584352), (7, 1131680), (8, 990220), (10, 792176), (11, 720160), (14, 565840), (16, 495110), (20, 396088), (22, 360080), (28, 282920), (32, 247555), (35, 226336), (40, 198044), (44, 180040), (55, 144032), (56, 141460), (70, 113168), (77, 102880), (80, 99022), (88, 90020), (110, 72016), (112, 70730), (140, 56584), (154, 51440), (160, 49511), (176, 45010), (220, 36008), (224, 35365), (280, 28292), (308, 25720), (352, 22505), (385, 20576), (440, 18004), (560, 14146), (616, 12860), (643, 12320), (770, 10288), (880, 9002), (1120, 7073), (1232, 6430), (1286, 6160), (1540, 5144), (1760, 4501), (2464, 3215), (2572, 3080)]