320243200

素因数分解:

$2^9\times 5^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 120

約数和(自身を含む): 803734272

約数和(自身を除く): 483491072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 197, 200, 254, 256, 320, 394, 400, 508, 512, 635, 640, 788, 800, 985, 1016, 1270, 1280, 1576, 1600, 1970, 2032, 2540, 2560, 3152, 3175, 3200, 3940, 4064, 4925, 5080, 6304, 6350, 6400, 7880, 8128, 9850, 10160, 12608, 12700, 12800, 15760, 16256, 19700, 20320, 25019, 25216, 25400, 31520, 32512, 39400, 40640, 50038, 50432, 50800, 63040, 65024, 78800, 81280, 100076, 100864, 101600, 125095, 126080, 157600, 162560, 200152, 203200, 250190, 252160, 315200, 325120, 400304, 406400, 500380, 504320, 625475, 630400, 800608, 812800, 1000760, 1250950, 1260800, 1601216, 1625600, 2001520, 2501900, 2521600, 3202432, 4003040, 5003800, 6404864, 8006080, 10007600, 12809728, 16012160, 20015200, 32024320, 40030400, 64048640, 80060800, 160121600, 320243200]

約数ペア:

[(1, 320243200), (2, 160121600), (4, 80060800), (5, 64048640), (8, 40030400), (10, 32024320), (16, 20015200), (20, 16012160), (25, 12809728), (32, 10007600), (40, 8006080), (50, 6404864), (64, 5003800), (80, 4003040), (100, 3202432), (127, 2521600), (128, 2501900), (160, 2001520), (197, 1625600), (200, 1601216), (254, 1260800), (256, 1250950), (320, 1000760), (394, 812800), (400, 800608), (508, 630400), (512, 625475), (635, 504320), (640, 500380), (788, 406400), (800, 400304), (985, 325120), (1016, 315200), (1270, 252160), (1280, 250190), (1576, 203200), (1600, 200152), (1970, 162560), (2032, 157600), (2540, 126080), (2560, 125095), (3152, 101600), (3175, 100864), (3200, 100076), (3940, 81280), (4064, 78800), (4925, 65024), (5080, 63040), (6304, 50800), (6350, 50432), (6400, 50038), (7880, 40640), (8128, 39400), (9850, 32512), (10160, 31520), (12608, 25400), (12700, 25216), (12800, 25019), (15760, 20320), (16256, 19700)]