81238896

素因数分解:

$2^4\times 3^3\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:891

約数の個数: 80

約数和(自身を含む): 234270720

約数和(自身を除く): 153031824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 383, 432, 491, 766, 982, 1149, 1473, 1532, 1964, 2298, 2946, 3064, 3447, 3928, 4419, 4596, 5892, 6128, 6894, 7856, 8838, 9192, 10341, 11784, 13257, 13788, 17676, 18384, 20682, 23568, 26514, 27576, 35352, 41364, 53028, 55152, 70704, 82728, 106056, 165456, 188053, 212112, 376106, 564159, 752212, 1128318, 1504424, 1692477, 2256636, 3008848, 3384954, 4513272, 5077431, 6769908, 9026544, 10154862, 13539816, 20309724, 27079632, 40619448, 81238896]

約数ペア:

[(1, 81238896), (2, 40619448), (3, 27079632), (4, 20309724), (6, 13539816), (8, 10154862), (9, 9026544), (12, 6769908), (16, 5077431), (18, 4513272), (24, 3384954), (27, 3008848), (36, 2256636), (48, 1692477), (54, 1504424), (72, 1128318), (108, 752212), (144, 564159), (216, 376106), (383, 212112), (432, 188053), (491, 165456), (766, 106056), (982, 82728), (1149, 70704), (1473, 55152), (1532, 53028), (1964, 41364), (2298, 35352), (2946, 27576), (3064, 26514), (3447, 23568), (3928, 20682), (4419, 18384), (4596, 17676), (5892, 13788), (6128, 13257), (6894, 11784), (7856, 10341), (8838, 9192)]