254727680

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5279

約数の個数: 80

約数和(自身を含む): 643016880

約数和(自身を除く): 388289200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5237, 6080, 9728, 10474, 12160, 20948, 24320, 26185, 41896, 48640, 52370, 83792, 99503, 104740, 167584, 199006, 209480, 335168, 398012, 418960, 497515, 670336, 796024, 837920, 995030, 1340672, 1592048, 1675840, 1990060, 2681344, 3184096, 3351680, 3980120, 6368192, 6703360, 7960240, 12736384, 13406720, 15920480, 25472768, 31840960, 50945536, 63681920, 127363840, 254727680]

約数ペア:

[(1, 254727680), (2, 127363840), (4, 63681920), (5, 50945536), (8, 31840960), (10, 25472768), (16, 15920480), (19, 13406720), (20, 12736384), (32, 7960240), (38, 6703360), (40, 6368192), (64, 3980120), (76, 3351680), (80, 3184096), (95, 2681344), (128, 1990060), (152, 1675840), (160, 1592048), (190, 1340672), (256, 995030), (304, 837920), (320, 796024), (380, 670336), (512, 497515), (608, 418960), (640, 398012), (760, 335168), (1216, 209480), (1280, 199006), (1520, 167584), (2432, 104740), (2560, 99503), (3040, 83792), (4864, 52370), (5237, 48640), (6080, 41896), (9728, 26185), (10474, 24320), (12160, 20948)]