68204220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162391}}^1$

素因数の和:162410

約数の個数: 48

約数和(自身を含む): 218254848

約数和(自身を除く): 150050628

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, 162391, 324782, 487173, 649564, 811955, 974346, 1136737, 1623910, 1948692, 2273474, 2435865, 3247820, 3410211, 4546948, 4871730, 5683685, 6820422, 9743460, 11367370, 13640844, 17051055, 22734740, 34102110, 68204220]

約数ペア:

[(1, 68204220), (2, 34102110), (3, 22734740), (4, 17051055), (5, 13640844), (6, 11367370), (7, 9743460), (10, 6820422), (12, 5683685), (14, 4871730), (15, 4546948), (20, 3410211), (21, 3247820), (28, 2435865), (30, 2273474), (35, 1948692), (42, 1623910), (60, 1136737), (70, 974346), (84, 811955), (105, 649564), (140, 487173), (210, 324782), (420, 162391)]