90853280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81119}}^1$

素因数の和:81141

約数の個数: 48

約数和(自身を含む): 245306880

約数和(自身を除く): 154453600

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, 81119, 162238, 324476, 405595, 567833, 648952, 811190, 1135666, 1297904, 1622380, 2271332, 2595808, 2839165, 3244760, 4542664, 5678330, 6489520, 9085328, 11356660, 12979040, 18170656, 22713320, 45426640, 90853280]

約数ペア:

[(1, 90853280), (2, 45426640), (4, 22713320), (5, 18170656), (7, 12979040), (8, 11356660), (10, 9085328), (14, 6489520), (16, 5678330), (20, 4542664), (28, 3244760), (32, 2839165), (35, 2595808), (40, 2271332), (56, 1622380), (70, 1297904), (80, 1135666), (112, 811190), (140, 648952), (160, 567833), (224, 405595), (280, 324476), (560, 162238), (1120, 81119)]