91215320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325769}}^1$

素因数の和:325787

約数の個数: 32

約数和(自身を含む): 234554400

約数和(自身を除く): 143339080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325769, 651538, 1303076, 1628845, 2280383, 2606152, 3257690, 4560766, 6515380, 9121532, 11401915, 13030760, 18243064, 22803830, 45607660, 91215320]

約数ペア:

[(1, 91215320), (2, 45607660), (4, 22803830), (5, 18243064), (7, 13030760), (8, 11401915), (10, 9121532), (14, 6515380), (20, 4560766), (28, 3257690), (35, 2606152), (40, 2280383), (56, 1628845), (70, 1303076), (140, 651538), (280, 325769)]