68722980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21611}}^1$

素因数の和:21676

約数の個数: 48

約数和(自身を含む): 196064064

約数和(自身を除く): 127341084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 21611, 43222, 64833, 86444, 108055, 129666, 216110, 259332, 324165, 432220, 648330, 1145383, 1296660, 2290766, 3436149, 4581532, 5726915, 6872298, 11453830, 13744596, 17180745, 22907660, 34361490, 68722980]

約数ペア:

[(1, 68722980), (2, 34361490), (3, 22907660), (4, 17180745), (5, 13744596), (6, 11453830), (10, 6872298), (12, 5726915), (15, 4581532), (20, 3436149), (30, 2290766), (53, 1296660), (60, 1145383), (106, 648330), (159, 432220), (212, 324165), (265, 259332), (318, 216110), (530, 129666), (636, 108055), (795, 86444), (1060, 64833), (1590, 43222), (3180, 21611)]