66728000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 112

約数和(自身を含む): 174345600

約数和(自身を除く): 107617600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 320, 380, 400, 439, 475, 500, 608, 760, 800, 878, 950, 1000, 1216, 1520, 1600, 1756, 1900, 2000, 2195, 2375, 3040, 3512, 3800, 4000, 4390, 4750, 6080, 7024, 7600, 8000, 8341, 8780, 9500, 10975, 14048, 15200, 16682, 17560, 19000, 21950, 28096, 30400, 33364, 35120, 38000, 41705, 43900, 54875, 66728, 70240, 76000, 83410, 87800, 109750, 133456, 140480, 152000, 166820, 175600, 208525, 219500, 266912, 333640, 351200, 417050, 439000, 533824, 667280, 702400, 834100, 878000, 1042625, 1334560, 1668200, 1756000, 2085250, 2669120, 3336400, 3512000, 4170500, 6672800, 8341000, 13345600, 16682000, 33364000, 66728000]

約数ペア:

[(1, 66728000), (2, 33364000), (4, 16682000), (5, 13345600), (8, 8341000), (10, 6672800), (16, 4170500), (19, 3512000), (20, 3336400), (25, 2669120), (32, 2085250), (38, 1756000), (40, 1668200), (50, 1334560), (64, 1042625), (76, 878000), (80, 834100), (95, 702400), (100, 667280), (125, 533824), (152, 439000), (160, 417050), (190, 351200), (200, 333640), (250, 266912), (304, 219500), (320, 208525), (380, 175600), (400, 166820), (439, 152000), (475, 140480), (500, 133456), (608, 109750), (760, 87800), (800, 83410), (878, 76000), (950, 70240), (1000, 66728), (1216, 54875), (1520, 43900), (1600, 41705), (1756, 38000), (1900, 35120), (2000, 33364), (2195, 30400), (2375, 28096), (3040, 21950), (3512, 19000), (3800, 17560), (4000, 16682), (4390, 15200), (4750, 14048), (6080, 10975), (7024, 9500), (7600, 8780), (8000, 8341)]