78256980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{434761}}^1$

素因数の和:434776

約数の個数: 36

約数和(自身を含む): 237380052

約数和(自身を除く): 159123072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 434761, 869522, 1304283, 1739044, 2173805, 2608566, 3912849, 4347610, 5217132, 6521415, 7825698, 8695220, 13042830, 15651396, 19564245, 26085660, 39128490, 78256980]

約数ペア:

[(1, 78256980), (2, 39128490), (3, 26085660), (4, 19564245), (5, 15651396), (6, 13042830), (9, 8695220), (10, 7825698), (12, 6521415), (15, 5217132), (18, 4347610), (20, 3912849), (30, 2608566), (36, 2173805), (45, 1739044), (60, 1304283), (90, 869522), (180, 434761)]