27781380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 95135040

約数和(自身を除く): 67353660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1559, 1620, 1782, 1980, 2970, 3118, 3564, 4455, 4677, 5940, 6236, 7795, 8910, 9354, 14031, 15590, 17149, 17820, 18708, 23385, 28062, 31180, 34298, 42093, 46770, 51447, 56124, 68596, 70155, 84186, 85745, 93540, 102894, 126279, 140310, 154341, 168372, 171490, 205788, 210465, 252558, 257235, 280620, 308682, 342980, 420930, 463023, 505116, 514470, 617364, 631395, 771705, 841860, 926046, 1028940, 1262790, 1389069, 1543410, 1852092, 2315115, 2525580, 2778138, 3086820, 4630230, 5556276, 6945345, 9260460, 13890690, 27781380]

約数ペア:

[(1, 27781380), (2, 13890690), (3, 9260460), (4, 6945345), (5, 5556276), (6, 4630230), (9, 3086820), (10, 2778138), (11, 2525580), (12, 2315115), (15, 1852092), (18, 1543410), (20, 1389069), (22, 1262790), (27, 1028940), (30, 926046), (33, 841860), (36, 771705), (44, 631395), (45, 617364), (54, 514470), (55, 505116), (60, 463023), (66, 420930), (81, 342980), (90, 308682), (99, 280620), (108, 257235), (110, 252558), (132, 210465), (135, 205788), (162, 171490), (165, 168372), (180, 154341), (198, 140310), (220, 126279), (270, 102894), (297, 93540), (324, 85745), (330, 84186), (396, 70155), (405, 68596), (495, 56124), (540, 51447), (594, 46770), (660, 42093), (810, 34298), (891, 31180), (990, 28062), (1188, 23385), (1485, 18708), (1559, 17820), (1620, 17149), (1782, 15590), (1980, 14031), (2970, 9354), (3118, 8910), (3564, 7795), (4455, 6236), (4677, 5940)]