1640711265

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1\times {\mathrm{1021}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 2649024000

約数和(自身を除く): 1008312735

約数列:

[1, 3, 5, 15, 149, 447, 719, 745, 1021, 2157, 2235, 3063, 3595, 5105, 10785, 15315, 107131, 152129, 321393, 456387, 535655, 734099, 760645, 1606965, 2202297, 2281935, 3670495, 11011485, 109380751, 328142253, 546903755, 1640711265]

約数ペア:

[(1, 1640711265), (3, 546903755), (5, 328142253), (15, 109380751), (149, 11011485), (447, 3670495), (719, 2281935), (745, 2202297), (1021, 1606965), (2157, 760645), (2235, 734099), (3063, 535655), (3595, 456387), (5105, 321393), (10785, 152129), (15315, 107131)]