30726640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54869}}^1$

素因数の和:54889

約数の個数: 40

約数和(自身を含む): 81646560

約数和(自身を除く): 50919920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54869, 109738, 219476, 274345, 384083, 438952, 548690, 768166, 877904, 1097380, 1536332, 1920415, 2194760, 3072664, 3840830, 4389520, 6145328, 7681660, 15363320, 30726640]

約数ペア:

[(1, 30726640), (2, 15363320), (4, 7681660), (5, 6145328), (7, 4389520), (8, 3840830), (10, 3072664), (14, 2194760), (16, 1920415), (20, 1536332), (28, 1097380), (35, 877904), (40, 768166), (56, 548690), (70, 438952), (80, 384083), (112, 274345), (140, 219476), (280, 109738), (560, 54869)]