30481640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108863}}^1$

素因数の和:108881

約数の個数: 32

約数和(自身を含む): 78382080

約数和(自身を除く): 47900440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108863, 217726, 435452, 544315, 762041, 870904, 1088630, 1524082, 2177260, 3048164, 3810205, 4354520, 6096328, 7620410, 15240820, 30481640]

約数ペア:

[(1, 30481640), (2, 15240820), (4, 7620410), (5, 6096328), (7, 4354520), (8, 3810205), (10, 3048164), (14, 2177260), (20, 1524082), (28, 1088630), (35, 870904), (40, 762041), (56, 544315), (70, 435452), (140, 217726), (280, 108863)]