661960740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1576097}}^1$

素因数の和:1576116

約数の個数: 48

約数和(自身を含む): 2118275712

約数和(自身を除く): 1456314972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1576097, 3152194, 4728291, 6304388, 7880485, 9456582, 11032679, 15760970, 18913164, 22065358, 23641455, 31521940, 33098037, 44130716, 47282910, 55163395, 66196074, 94565820, 110326790, 132392148, 165490185, 220653580, 330980370, 661960740]

約数ペア:

[(1, 661960740), (2, 330980370), (3, 220653580), (4, 165490185), (5, 132392148), (6, 110326790), (7, 94565820), (10, 66196074), (12, 55163395), (14, 47282910), (15, 44130716), (20, 33098037), (21, 31521940), (28, 23641455), (30, 22065358), (35, 18913164), (42, 15760970), (60, 11032679), (70, 9456582), (84, 7880485), (105, 6304388), (140, 4728291), (210, 3152194), (420, 1576097)]