8272740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19697}}^1$

素因数の和:19716

約数の個数: 48

約数和(自身を含む): 26474112

約数和(自身を除く): 18201372

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, 19697, 39394, 59091, 78788, 98485, 118182, 137879, 196970, 236364, 275758, 295455, 393940, 413637, 551516, 590910, 689395, 827274, 1181820, 1378790, 1654548, 2068185, 2757580, 4136370, 8272740]

約数ペア:

[(1, 8272740), (2, 4136370), (3, 2757580), (4, 2068185), (5, 1654548), (6, 1378790), (7, 1181820), (10, 827274), (12, 689395), (14, 590910), (15, 551516), (20, 413637), (21, 393940), (28, 295455), (30, 275758), (35, 236364), (42, 196970), (60, 137879), (70, 118182), (84, 98485), (105, 78788), (140, 59091), (210, 39394), (420, 19697)]