20367604800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 1008

約数和(自身を含む): 84018729600

約数和(自身を除く): 63651124800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 25, 29, 30, 32, 34, 36, 38, 40, 45, 48, 50, 51, 57, 58, 60, 64, 68, 72, 75, 76, 80, 85, 87, 90, 95, 96, 100, 102, 114, 116, 120, 136, 144, 145, 150, 151, 152, 153, 160, 170, 171, 174, 180, 190, 192, 200, 204, 225, 228, 232, 240, 255, 261, 272, 285, 288, 290, 300, 302, 304, 306, 320, 323, 340, 342, 348, 360, 380, 400, 408, 425, 435, 450, 453, 456, 464, 475, 480, 493, 510, 522, 544, 551, 570, 576, 580, 600, 604, 608, 612, 646, 680, 684, 696, 720, 725, 755, 760, 765, 800, 816, 850, 855, 870, 900, 906, 912, 928, 950, 960, 969, 986, 1020, 1044, 1088, 1102, 1140, 1160, 1200, 1208, 1216, 1224, 1275, 1292, 1305, 1359, 1360, 1368, 1392, 1425, 1440, 1450, 1479, 1510, 1520, 1530, 1600, 1615, 1632, 1653, 1700, 1710, 1740, 1800, 1812, 1824, 1856, 1900, 1938, 1972, 2040, 2088, 2175, 2204, 2265, 2280, 2320, 2400, 2416, 2448, 2465, 2550, 2567, 2584, 2610, 2718, 2720, 2736, 2755, 2784, 2850, 2869, 2880, 2900, 2907, 2958, 3020, 3040, 3060, 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約数ペア:

[(1, 20367604800), (2, 10183802400), (3, 6789201600), (4, 5091901200), (5, 4073520960), (6, 3394600800), (8, 2545950600), (9, 2263067200), (10, 2036760480), (12, 1697300400), (15, 1357840320), (16, 1272975300), (17, 1198094400), (18, 1131533600), (19, 1071979200), (20, 1018380240), (24, 848650200), (25, 814704192), (29, 702331200), (30, 678920160), (32, 636487650), (34, 599047200), (36, 565766800), (38, 535989600), (40, 509190120), (45, 452613440), (48, 424325100), (50, 407352096), (51, 399364800), (57, 357326400), (58, 351165600), (60, 339460080), (64, 318243825), (68, 299523600), (72, 282883400), (75, 271568064), (76, 267994800), (80, 254595060), (85, 239618880), (87, 234110400), (90, 226306720), (95, 214395840), (96, 212162550), (100, 203676048), (102, 199682400), (114, 178663200), (116, 175582800), (120, 169730040), (136, 149761800), (144, 141441700), (145, 140466240), (150, 135784032), (151, 134884800), (152, 133997400), (153, 133121600), (160, 127297530), (170, 119809440), (171, 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