20210748480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179939}}^1$

素因数の和:179978

約数の個数: 224

約数和(自身を含む): 76783996800

約数和(自身を除く): 56573248320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1728, 1755, 1872, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3510, 3744, 4160, 4320, 4680, 5616, 6240, 7020, 7488, 8640, 9360, 11232, 12480, 14040, 18720, 22464, 28080, 37440, 56160, 112320, 179939, 359878, 539817, 719756, 899695, 1079634, 1439512, 1619451, 1799390, 2159268, 2339207, 2699085, 2879024, 3238902, 3598780, 4318536, 4678414, 4858353, 5398170, 5758048, 6477804, 7017621, 7197560, 8097255, 8637072, 9356828, 9716706, 10796340, 11516096, 11696035, 12955608, 14035242, 14395120, 16194510, 17274144, 18713656, 19433412, 21052863, 21592680, 23392070, 24291765, 25911216, 28070484, 28790240, 32389020, 34548288, 35088105, 37427312, 38866824, 42105726, 43185360, 46784140, 48583530, 51822432, 56140968, 57580480, 63158589, 64778040, 70176210, 74854624, 77733648, 84211452, 86370720, 93568280, 97167060, 103644864, 105264315, 112281936, 126317178, 129556080, 140352420, 149709248, 155467296, 168422904, 172741440, 187136560, 194334120, 210528630, 224563872, 252634356, 259112160, 280704840, 310934592, 315792945, 336845808, 374273120, 388668240, 421057260, 449127744, 505268712, 518224320, 561409680, 631585890, 673691616, 748546240, 777336480, 842114520, 1010537424, 1122819360, 1263171780, 1347383232, 1554672960, 1684229040, 2021074848, 2245638720, 2526343560, 3368458080, 4042149696, 5052687120, 6736916160, 10105374240, 20210748480]

約数ペア:

[(1, 20210748480), (2, 10105374240), (3, 6736916160), (4, 5052687120), (5, 4042149696), (6, 3368458080), (8, 2526343560), (9, 2245638720), (10, 2021074848), (12, 1684229040), (13, 1554672960), (15, 1347383232), (16, 1263171780), (18, 1122819360), (20, 1010537424), (24, 842114520), (26, 777336480), (27, 748546240), (30, 673691616), (32, 631585890), (36, 561409680), (39, 518224320), (40, 505268712), (45, 449127744), (48, 421057260), (52, 388668240), (54, 374273120), (60, 336845808), (64, 315792945), (65, 310934592), (72, 280704840), (78, 259112160), (80, 252634356), (90, 224563872), (96, 210528630), (104, 194334120), (108, 187136560), (117, 172741440), (120, 168422904), (130, 155467296), (135, 149709248), (144, 140352420), (156, 129556080), (160, 126317178), (180, 112281936), (192, 105264315), (195, 103644864), (208, 97167060), (216, 93568280), (234, 86370720), (240, 84211452), (260, 77733648), (270, 74854624), (288, 70176210), (312, 64778040), (320, 63158589), (351, 57580480), (360, 56140968), (390, 51822432), (416, 48583530), (432, 46784140), (468, 43185360), (480, 42105726), (520, 38866824), (540, 37427312), (576, 35088105), (585, 34548288), (624, 32389020), (702, 28790240), (720, 28070484), (780, 25911216), (832, 24291765), (864, 23392070), (936, 21592680), (960, 21052863), (1040, 19433412), (1080, 18713656), (1170, 17274144), (1248, 16194510), (1404, 14395120), (1440, 14035242), (1560, 12955608), (1728, 11696035), (1755, 11516096), (1872, 10796340), (2080, 9716706), (2160, 9356828), (2340, 8637072), (2496, 8097255), (2808, 7197560), (2880, 7017621), (3120, 6477804), (3510, 5758048), (3744, 5398170), (4160, 4858353), (4320, 4678414), (4680, 4318536), (5616, 3598780), (6240, 3238902), (7020, 2879024), (7488, 2699085), (8640, 2339207), (9360, 2159268), (11232, 1799390), (12480, 1619451), (14040, 1439512), (18720, 1079634), (22464, 899695), (28080, 719756), (37440, 539817), (56160, 359878), (112320, 179939)]