2657560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 6271200

約数和(自身を除く): 3613640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 790, 841, 1160, 1580, 1682, 2291, 3160, 3364, 4205, 4582, 6728, 8410, 9164, 11455, 16820, 18328, 22910, 33640, 45820, 66439, 91640, 132878, 265756, 332195, 531512, 664390, 1328780, 2657560]

約数ペア:

[(1, 2657560), (2, 1328780), (4, 664390), (5, 531512), (8, 332195), (10, 265756), (20, 132878), (29, 91640), (40, 66439), (58, 45820), (79, 33640), (116, 22910), (145, 18328), (158, 16820), (232, 11455), (290, 9164), (316, 8410), (395, 6728), (580, 4582), (632, 4205), (790, 3364), (841, 3160), (1160, 2291), (1580, 1682)]