128268800

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 120

約数和(自身を含む): 347067072

約数和(自身を除く): 218798272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 512, 550, 640, 704, 800, 880, 911, 1100, 1280, 1408, 1600, 1760, 1822, 2200, 2560, 2816, 3200, 3520, 3644, 4400, 4555, 5632, 6400, 7040, 7288, 8800, 9110, 10021, 12800, 14080, 14576, 17600, 18220, 20042, 22775, 28160, 29152, 35200, 36440, 40084, 45550, 50105, 58304, 70400, 72880, 80168, 91100, 100210, 116608, 140800, 145760, 160336, 182200, 200420, 233216, 250525, 291520, 320672, 364400, 400840, 466432, 501050, 583040, 641344, 728800, 801680, 1002100, 1166080, 1282688, 1457600, 1603360, 2004200, 2332160, 2565376, 2915200, 3206720, 4008400, 5130752, 5830400, 6413440, 8016800, 11660800, 12826880, 16033600, 25653760, 32067200, 64134400, 128268800]

約数ペア:

[(1, 128268800), (2, 64134400), (4, 32067200), (5, 25653760), (8, 16033600), (10, 12826880), (11, 11660800), (16, 8016800), (20, 6413440), (22, 5830400), (25, 5130752), (32, 4008400), (40, 3206720), (44, 2915200), (50, 2565376), (55, 2332160), (64, 2004200), (80, 1603360), (88, 1457600), (100, 1282688), (110, 1166080), (128, 1002100), (160, 801680), (176, 728800), (200, 641344), (220, 583040), (256, 501050), (275, 466432), (320, 400840), (352, 364400), (400, 320672), (440, 291520), (512, 250525), (550, 233216), (640, 200420), (704, 182200), (800, 160336), (880, 145760), (911, 140800), (1100, 116608), (1280, 100210), (1408, 91100), (1600, 80168), (1760, 72880), (1822, 70400), (2200, 58304), (2560, 50105), (2816, 45550), (3200, 40084), (3520, 36440), (3644, 35200), (4400, 29152), (4555, 28160), (5632, 22775), (6400, 20042), (7040, 18220), (7288, 17600), (8800, 14576), (9110, 14080), (10021, 12800)]