91191520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81421}}^1$

素因数の和:81443

約数の個数: 48

約数和(自身を含む): 246220128

約数和(自身を除く): 155028608

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, 81421, 162842, 325684, 407105, 569947, 651368, 814210, 1139894, 1302736, 1628420, 2279788, 2605472, 2849735, 3256840, 4559576, 5699470, 6513680, 9119152, 11398940, 13027360, 18238304, 22797880, 45595760, 91191520]

約数ペア:

[(1, 91191520), (2, 45595760), (4, 22797880), (5, 18238304), (7, 13027360), (8, 11398940), (10, 9119152), (14, 6513680), (16, 5699470), (20, 4559576), (28, 3256840), (32, 2849735), (35, 2605472), (40, 2279788), (56, 1628420), (70, 1302736), (80, 1139894), (112, 814210), (140, 651368), (160, 569947), (224, 407105), (280, 325684), (560, 162842), (1120, 81421)]