84721280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18911}}^1$

素因数の和:18937

約数の個数: 64

約数和(自身を含む): 231482880

約数和(自身を除く): 146761600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18911, 37822, 75644, 94555, 132377, 151288, 189110, 264754, 302576, 378220, 529508, 605152, 661885, 756440, 1059016, 1210304, 1323770, 1512880, 2118032, 2420608, 2647540, 3025760, 4236064, 5295080, 6051520, 8472128, 10590160, 12103040, 16944256, 21180320, 42360640, 84721280]

約数ペア:

[(1, 84721280), (2, 42360640), (4, 21180320), (5, 16944256), (7, 12103040), (8, 10590160), (10, 8472128), (14, 6051520), (16, 5295080), (20, 4236064), (28, 3025760), (32, 2647540), (35, 2420608), (40, 2118032), (56, 1512880), (64, 1323770), (70, 1210304), (80, 1059016), (112, 756440), (128, 661885), (140, 605152), (160, 529508), (224, 378220), (280, 302576), (320, 264754), (448, 189110), (560, 151288), (640, 132377), (896, 94555), (1120, 75644), (2240, 37822), (4480, 18911)]