81544560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339769}}^1$

素因数の和:339785

約数の個数: 40

約数和(自身を含む): 252788880

約数和(自身を除く): 171244320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339769, 679538, 1019307, 1359076, 1698845, 2038614, 2718152, 3397690, 4077228, 5096535, 5436304, 6795380, 8154456, 10193070, 13590760, 16308912, 20386140, 27181520, 40772280, 81544560]

約数ペア:

[(1, 81544560), (2, 40772280), (3, 27181520), (4, 20386140), (5, 16308912), (6, 13590760), (8, 10193070), (10, 8154456), (12, 6795380), (15, 5436304), (16, 5096535), (20, 4077228), (24, 3397690), (30, 2718152), (40, 2038614), (48, 1698845), (60, 1359076), (80, 1019307), (120, 679538), (240, 339769)]