128678400

素因数分解:

$2^9\times 3^2\times 5^2\times {\mathrm{1117}}^1$

素因数の和:1151

約数の個数: 180

約数和(自身を含む): 460916742

約数和(自身を除く): 332238342

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 256, 288, 300, 320, 360, 384, 400, 450, 480, 512, 576, 600, 640, 720, 768, 800, 900, 960, 1117, 1152, 1200, 1280, 1440, 1536, 1600, 1800, 1920, 2234, 2304, 2400, 2560, 2880, 3200, 3351, 3600, 3840, 4468, 4608, 4800, 5585, 5760, 6400, 6702, 7200, 7680, 8936, 9600, 10053, 11170, 11520, 12800, 13404, 14400, 16755, 17872, 19200, 20106, 22340, 23040, 26808, 27925, 28800, 33510, 35744, 38400, 40212, 44680, 50265, 53616, 55850, 57600, 67020, 71488, 80424, 83775, 89360, 100530, 107232, 111700, 115200, 134040, 142976, 160848, 167550, 178720, 201060, 214464, 223400, 251325, 268080, 285952, 321696, 335100, 357440, 402120, 428928, 446800, 502650, 536160, 571904, 643392, 670200, 714880, 804240, 857856, 893600, 1005300, 1072320, 1286784, 1340400, 1429760, 1608480, 1715712, 1787200, 2010600, 2144640, 2573568, 2680800, 2859520, 3216960, 3574400, 4021200, 4289280, 5147136, 5361600, 6433920, 7148800, 8042400, 8578560, 10723200, 12867840, 14297600, 16084800, 21446400, 25735680, 32169600, 42892800, 64339200, 128678400]

約数ペア:

[(1, 128678400), (2, 64339200), (3, 42892800), (4, 32169600), (5, 25735680), (6, 21446400), (8, 16084800), (9, 14297600), (10, 12867840), (12, 10723200), (15, 8578560), (16, 8042400), (18, 7148800), (20, 6433920), (24, 5361600), (25, 5147136), (30, 4289280), (32, 4021200), (36, 3574400), (40, 3216960), (45, 2859520), (48, 2680800), (50, 2573568), (60, 2144640), (64, 2010600), (72, 1787200), (75, 1715712), (80, 1608480), (90, 1429760), (96, 1340400), (100, 1286784), (120, 1072320), (128, 1005300), (144, 893600), (150, 857856), (160, 804240), (180, 714880), (192, 670200), (200, 643392), (225, 571904), (240, 536160), (256, 502650), (288, 446800), (300, 428928), (320, 402120), (360, 357440), (384, 335100), (400, 321696), (450, 285952), (480, 268080), (512, 251325), (576, 223400), (600, 214464), (640, 201060), (720, 178720), (768, 167550), (800, 160848), (900, 142976), (960, 134040), (1117, 115200), (1152, 111700), (1200, 107232), (1280, 100530), (1440, 89360), (1536, 83775), (1600, 80424), (1800, 71488), (1920, 67020), (2234, 57600), (2304, 55850), (2400, 53616), (2560, 50265), (2880, 44680), (3200, 40212), (3351, 38400), (3600, 35744), (3840, 33510), (4468, 28800), (4608, 27925), (4800, 26808), (5585, 23040), (5760, 22340), (6400, 20106), (6702, 19200), (7200, 17872), (7680, 16755), (8936, 14400), (9600, 13404), (10053, 12800), (11170, 11520)]