21645600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 144

約数和(自身を含む): 73120320

約数和(自身を除く): 51474720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 75, 80, 87, 96, 100, 116, 120, 145, 150, 160, 174, 200, 232, 240, 290, 300, 311, 348, 400, 435, 464, 480, 580, 600, 622, 696, 725, 800, 870, 928, 933, 1160, 1200, 1244, 1392, 1450, 1555, 1740, 1866, 2175, 2320, 2400, 2488, 2784, 2900, 3110, 3480, 3732, 4350, 4640, 4665, 4976, 5800, 6220, 6960, 7464, 7775, 8700, 9019, 9330, 9952, 11600, 12440, 13920, 14928, 15550, 17400, 18038, 18660, 23200, 23325, 24880, 27057, 29856, 31100, 34800, 36076, 37320, 45095, 46650, 49760, 54114, 62200, 69600, 72152, 74640, 90190, 93300, 108228, 124400, 135285, 144304, 149280, 180380, 186600, 216456, 225475, 248800, 270570, 288608, 360760, 373200, 432912, 450950, 541140, 676425, 721520, 746400, 865824, 901900, 1082280, 1352850, 1443040, 1803800, 2164560, 2705700, 3607600, 4329120, 5411400, 7215200, 10822800, 21645600]

約数ペア:

[(1, 21645600), (2, 10822800), (3, 7215200), (4, 5411400), (5, 4329120), (6, 3607600), (8, 2705700), (10, 2164560), (12, 1803800), (15, 1443040), (16, 1352850), (20, 1082280), (24, 901900), (25, 865824), (29, 746400), (30, 721520), (32, 676425), (40, 541140), (48, 450950), (50, 432912), (58, 373200), (60, 360760), (75, 288608), (80, 270570), (87, 248800), (96, 225475), (100, 216456), (116, 186600), (120, 180380), (145, 149280), (150, 144304), (160, 135285), (174, 124400), (200, 108228), (232, 93300), (240, 90190), (290, 74640), (300, 72152), (311, 69600), (348, 62200), (400, 54114), (435, 49760), (464, 46650), (480, 45095), (580, 37320), (600, 36076), (622, 34800), (696, 31100), (725, 29856), (800, 27057), (870, 24880), (928, 23325), (933, 23200), (1160, 18660), (1200, 18038), (1244, 17400), (1392, 15550), (1450, 14928), (1555, 13920), (1740, 12440), (1866, 11600), (2175, 9952), (2320, 9330), (2400, 9019), (2488, 8700), (2784, 7775), (2900, 7464), (3110, 6960), (3480, 6220), (3732, 5800), (4350, 4976), (4640, 4665)]