80753120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72101}}^1$

素因数の和:72123

約数の個数: 48

約数和(自身を含む): 218036448

約数和(自身を除く): 137283328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72101, 144202, 288404, 360505, 504707, 576808, 721010, 1009414, 1153616, 1442020, 2018828, 2307232, 2523535, 2884040, 4037656, 5047070, 5768080, 8075312, 10094140, 11536160, 16150624, 20188280, 40376560, 80753120]

約数ペア:

[(1, 80753120), (2, 40376560), (4, 20188280), (5, 16150624), (7, 11536160), (8, 10094140), (10, 8075312), (14, 5768080), (16, 5047070), (20, 4037656), (28, 2884040), (32, 2523535), (35, 2307232), (40, 2018828), (56, 1442020), (70, 1153616), (80, 1009414), (112, 721010), (140, 576808), (160, 504707), (224, 360505), (280, 288404), (560, 144202), (1120, 72101)]