640797312

素因数分解:

$2^7\times 3^1\times {\mathrm{1668743}}^1$

素因数の和:1668760

約数の個数: 32

約数和(自身を含む): 1702118880

約数和(自身を除く): 1061321568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1668743, 3337486, 5006229, 6674972, 10012458, 13349944, 20024916, 26699888, 40049832, 53399776, 80099664, 106799552, 160199328, 213599104, 320398656, 640797312]

約数ペア:

[(1, 640797312), (2, 320398656), (3, 213599104), (4, 160199328), (6, 106799552), (8, 80099664), (12, 53399776), (16, 40049832), (24, 26699888), (32, 20024916), (48, 13349944), (64, 10012458), (96, 6674972), (128, 5006229), (192, 3337486), (384, 1668743)]