78964620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{188011}}^1$

素因数の和:188030

約数の個数: 48

約数和(自身を含む): 252688128

約数和(自身を除く): 173723508

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, 188011, 376022, 564033, 752044, 940055, 1128066, 1316077, 1880110, 2256132, 2632154, 2820165, 3760220, 3948231, 5264308, 5640330, 6580385, 7896462, 11280660, 13160770, 15792924, 19741155, 26321540, 39482310, 78964620]

約数ペア:

[(1, 78964620), (2, 39482310), (3, 26321540), (4, 19741155), (5, 15792924), (6, 13160770), (7, 11280660), (10, 7896462), (12, 6580385), (14, 5640330), (15, 5264308), (20, 3948231), (21, 3760220), (28, 2820165), (30, 2632154), (35, 2256132), (42, 1880110), (60, 1316077), (70, 1128066), (84, 940055), (105, 752044), (140, 564033), (210, 376022), (420, 188011)]