127840000

素因数分解:

$2^8\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 180

約数和(自身を含む): 344814624

約数和(自身を除く): 216974624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 64, 68, 80, 85, 94, 100, 125, 128, 136, 160, 170, 188, 200, 235, 250, 256, 272, 320, 340, 376, 400, 425, 470, 500, 544, 625, 640, 680, 752, 799, 800, 850, 940, 1000, 1088, 1175, 1250, 1280, 1360, 1504, 1598, 1600, 1700, 1880, 2000, 2125, 2176, 2350, 2500, 2720, 3008, 3196, 3200, 3400, 3760, 3995, 4000, 4250, 4352, 4700, 5000, 5440, 5875, 6016, 6392, 6400, 6800, 7520, 7990, 8000, 8500, 9400, 10000, 10625, 10880, 11750, 12032, 12784, 13600, 15040, 15980, 16000, 17000, 18800, 19975, 20000, 21250, 21760, 23500, 25568, 27200, 29375, 30080, 31960, 32000, 34000, 37600, 39950, 40000, 42500, 47000, 51136, 54400, 58750, 60160, 63920, 68000, 75200, 79900, 80000, 85000, 94000, 99875, 102272, 108800, 117500, 127840, 136000, 150400, 159800, 160000, 170000, 188000, 199750, 204544, 235000, 255680, 272000, 300800, 319600, 340000, 376000, 399500, 470000, 499375, 511360, 544000, 639200, 680000, 752000, 799000, 940000, 998750, 1022720, 1278400, 1360000, 1504000, 1598000, 1880000, 1997500, 2556800, 2720000, 3196000, 3760000, 3995000, 5113600, 6392000, 7520000, 7990000, 12784000, 15980000, 25568000, 31960000, 63920000, 127840000]

約数ペア:

[(1, 127840000), (2, 63920000), (4, 31960000), (5, 25568000), (8, 15980000), (10, 12784000), (16, 7990000), (17, 7520000), (20, 6392000), (25, 5113600), (32, 3995000), (34, 3760000), (40, 3196000), (47, 2720000), (50, 2556800), (64, 1997500), (68, 1880000), (80, 1598000), (85, 1504000), (94, 1360000), (100, 1278400), (125, 1022720), (128, 998750), (136, 940000), (160, 799000), (170, 752000), (188, 680000), (200, 639200), (235, 544000), (250, 511360), (256, 499375), (272, 470000), (320, 399500), (340, 376000), (376, 340000), (400, 319600), (425, 300800), (470, 272000), (500, 255680), (544, 235000), (625, 204544), (640, 199750), (680, 188000), (752, 170000), (799, 160000), (800, 159800), (850, 150400), (940, 136000), (1000, 127840), (1088, 117500), (1175, 108800), (1250, 102272), (1280, 99875), (1360, 94000), (1504, 85000), (1598, 80000), (1600, 79900), (1700, 75200), (1880, 68000), (2000, 63920), (2125, 60160), (2176, 58750), (2350, 54400), (2500, 51136), (2720, 47000), (3008, 42500), (3196, 40000), (3200, 39950), (3400, 37600), (3760, 34000), (3995, 32000), (4000, 31960), (4250, 30080), (4352, 29375), (4700, 27200), (5000, 25568), (5440, 23500), (5875, 21760), (6016, 21250), (6392, 20000), (6400, 19975), (6800, 18800), (7520, 17000), (7990, 16000), (8000, 15980), (8500, 15040), (9400, 13600), (10000, 12784), (10625, 12032), (10880, 11750)]