78740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1493}}^1$

素因数の和:1801

約数の個数: 72

約数和(自身を含む): 239822856

約数和(自身を除く): 161082036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 586, 879, 1172, 1465, 1493, 1758, 2637, 2930, 2986, 3516, 4395, 4479, 5274, 5860, 5972, 7465, 8790, 8958, 10548, 13185, 13437, 14930, 17580, 17916, 22395, 26370, 26874, 29860, 44790, 52740, 53748, 67185, 89580, 134370, 268740, 437449, 874898, 1312347, 1749796, 2187245, 2624694, 3937041, 4374490, 5249388, 6561735, 7874082, 8748980, 13123470, 15748164, 19685205, 26246940, 39370410, 78740820]

約数ペア:

[(1, 78740820), (2, 39370410), (3, 26246940), (4, 19685205), (5, 15748164), (6, 13123470), (9, 8748980), (10, 7874082), (12, 6561735), (15, 5249388), (18, 4374490), (20, 3937041), (30, 2624694), (36, 2187245), (45, 1749796), (60, 1312347), (90, 874898), (180, 437449), (293, 268740), (586, 134370), (879, 89580), (1172, 67185), (1465, 53748), (1493, 52740), (1758, 44790), (2637, 29860), (2930, 26874), (2986, 26370), (3516, 22395), (4395, 17916), (4479, 17580), (5274, 14930), (5860, 13437), (5972, 13185), (7465, 10548), (8790, 8958)]