30235280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2871

約数の個数: 40

約数和(自身を含む): 70828800

約数和(自身を除く): 40593520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2719, 2780, 5438, 5560, 10876, 11120, 13595, 21752, 27190, 43504, 54380, 108760, 217520, 377941, 755882, 1511764, 1889705, 3023528, 3779410, 6047056, 7558820, 15117640, 30235280]

約数ペア:

[(1, 30235280), (2, 15117640), (4, 7558820), (5, 6047056), (8, 3779410), (10, 3023528), (16, 1889705), (20, 1511764), (40, 755882), (80, 377941), (139, 217520), (278, 108760), (556, 54380), (695, 43504), (1112, 27190), (1390, 21752), (2224, 13595), (2719, 11120), (2780, 10876), (5438, 5560)]