1272046400

素因数分解:

$2^6\times 5^2\times {\mathrm{439}}^1\times {\mathrm{1811}}^1$

素因数の和:2272

約数の個数: 84

約数和(自身を含む): 3138891360

約数和(自身を除く): 1866844960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 439, 800, 878, 1600, 1756, 1811, 2195, 3512, 3622, 4390, 7024, 7244, 8780, 9055, 10975, 14048, 14488, 17560, 18110, 21950, 28096, 28976, 35120, 36220, 43900, 45275, 57952, 70240, 72440, 87800, 90550, 115904, 140480, 144880, 175600, 181100, 289760, 351200, 362200, 579520, 702400, 724400, 795029, 1448800, 1590058, 2897600, 3180116, 3975145, 6360232, 7950290, 12720464, 15900580, 19875725, 25440928, 31801160, 39751450, 50881856, 63602320, 79502900, 127204640, 159005800, 254409280, 318011600, 636023200, 1272046400]

約数ペア:

[(1, 1272046400), (2, 636023200), (4, 318011600), (5, 254409280), (8, 159005800), (10, 127204640), (16, 79502900), (20, 63602320), (25, 50881856), (32, 39751450), (40, 31801160), (50, 25440928), (64, 19875725), (80, 15900580), (100, 12720464), (160, 7950290), (200, 6360232), (320, 3975145), (400, 3180116), (439, 2897600), (800, 1590058), (878, 1448800), (1600, 795029), (1756, 724400), (1811, 702400), (2195, 579520), (3512, 362200), (3622, 351200), (4390, 289760), (7024, 181100), (7244, 175600), (8780, 144880), (9055, 140480), (10975, 115904), (14048, 90550), (14488, 87800), (17560, 72440), (18110, 70240), (21950, 57952), (28096, 45275), (28976, 43900), (35120, 36220)]