21183600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 68884480

約数和(自身を除く): 47700880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 127, 139, 150, 200, 240, 254, 278, 300, 381, 400, 417, 508, 556, 600, 635, 695, 762, 834, 1016, 1112, 1200, 1270, 1390, 1524, 1668, 1905, 2032, 2085, 2224, 2540, 2780, 3048, 3175, 3336, 3475, 3810, 4170, 5080, 5560, 6096, 6350, 6672, 6950, 7620, 8340, 9525, 10160, 10425, 11120, 12700, 13900, 15240, 16680, 17653, 19050, 20850, 25400, 27800, 30480, 33360, 35306, 38100, 41700, 50800, 52959, 55600, 70612, 76200, 83400, 88265, 105918, 141224, 152400, 166800, 176530, 211836, 264795, 282448, 353060, 423672, 441325, 529590, 706120, 847344, 882650, 1059180, 1323975, 1412240, 1765300, 2118360, 2647950, 3530600, 4236720, 5295900, 7061200, 10591800, 21183600]

約数ペア:

[(1, 21183600), (2, 10591800), (3, 7061200), (4, 5295900), (5, 4236720), (6, 3530600), (8, 2647950), (10, 2118360), (12, 1765300), (15, 1412240), (16, 1323975), (20, 1059180), (24, 882650), (25, 847344), (30, 706120), (40, 529590), (48, 441325), (50, 423672), (60, 353060), (75, 282448), (80, 264795), (100, 211836), (120, 176530), (127, 166800), (139, 152400), (150, 141224), (200, 105918), (240, 88265), (254, 83400), (278, 76200), (300, 70612), (381, 55600), (400, 52959), (417, 50800), (508, 41700), (556, 38100), (600, 35306), (635, 33360), (695, 30480), (762, 27800), (834, 25400), (1016, 20850), (1112, 19050), (1200, 17653), (1270, 16680), (1390, 15240), (1524, 13900), (1668, 12700), (1905, 11120), (2032, 10425), (2085, 10160), (2224, 9525), (2540, 8340), (2780, 7620), (3048, 6950), (3175, 6672), (3336, 6350), (3475, 6096), (3810, 5560), (4170, 5080)]