20780046720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1202549}}^1$

素因数の和:1202577

約数の個数: 128

約数和(自身を含む): 73596060000

約数和(自身を除く): 52816013280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1202549, 2405098, 3607647, 4810196, 6012745, 7215294, 9620392, 10822941, 12025490, 14430588, 18038235, 19240784, 21645882, 24050980, 28861176, 32468823, 36076470, 38481568, 43291764, 48101960, 54114705, 57722352, 64937646, 72152940, 76963136, 86583528, 96203920, 108229410, 115444704, 129875292, 144305880, 153926272, 162344115, 173167056, 192407840, 216458820, 230889408, 259750584, 288611760, 324688230, 346334112, 384815680, 432917640, 461778816, 519501168, 577223520, 649376460, 692668224, 769631360, 865835280, 1039002336, 1154447040, 1298752920, 1385336448, 1731670560, 2078004672, 2308894080, 2597505840, 3463341120, 4156009344, 5195011680, 6926682240, 10390023360, 20780046720]

約数ペア:

[(1, 20780046720), (2, 10390023360), (3, 6926682240), (4, 5195011680), (5, 4156009344), (6, 3463341120), (8, 2597505840), (9, 2308894080), (10, 2078004672), (12, 1731670560), (15, 1385336448), (16, 1298752920), (18, 1154447040), (20, 1039002336), (24, 865835280), (27, 769631360), (30, 692668224), (32, 649376460), (36, 577223520), (40, 519501168), (45, 461778816), (48, 432917640), (54, 384815680), (60, 346334112), (64, 324688230), (72, 288611760), (80, 259750584), (90, 230889408), (96, 216458820), (108, 192407840), (120, 173167056), (128, 162344115), (135, 153926272), (144, 144305880), (160, 129875292), (180, 115444704), (192, 108229410), (216, 96203920), (240, 86583528), (270, 76963136), (288, 72152940), (320, 64937646), (360, 57722352), (384, 54114705), (432, 48101960), (480, 43291764), (540, 38481568), (576, 36076470), (640, 32468823), (720, 28861176), (864, 24050980), (960, 21645882), (1080, 19240784), (1152, 18038235), (1440, 14430588), (1728, 12025490), (1920, 10822941), (2160, 9620392), (2880, 7215294), (3456, 6012745), (4320, 4810196), (5760, 3607647), (8640, 2405098), (17280, 1202549)]