1490320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1433}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 3734136

約数和(自身を除く): 2243816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1433, 2866, 5732, 7165, 11464, 14330, 18629, 22928, 28660, 37258, 57320, 74516, 93145, 114640, 149032, 186290, 298064, 372580, 745160, 1490320]

約数ペア:

[(1, 1490320), (2, 745160), (4, 372580), (5, 298064), (8, 186290), (10, 149032), (13, 114640), (16, 93145), (20, 74516), (26, 57320), (40, 37258), (52, 28660), (65, 22928), (80, 18629), (104, 14330), (130, 11464), (208, 7165), (260, 5732), (520, 2866), (1040, 1433)]