81804310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61507}}^1$

素因数の和:61540

約数の個数: 32

約数和(自身を含む): 177143040

約数和(自身を除く): 95338730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 61507, 123014, 307535, 430549, 615070, 861098, 1168633, 2152745, 2337266, 4305490, 5843165, 8180431, 11686330, 16360862, 40902155, 81804310]

約数ペア:

[(1, 81804310), (2, 40902155), (5, 16360862), (7, 11686330), (10, 8180431), (14, 5843165), (19, 4305490), (35, 2337266), (38, 2152745), (70, 1168633), (95, 861098), (133, 615070), (190, 430549), (266, 307535), (665, 123014), (1330, 61507)]