20168640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 168

約数和(自身を含む): 71323200

約数和(自身を除く): 51154560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 141, 144, 149, 160, 180, 188, 192, 235, 240, 282, 288, 298, 320, 360, 376, 423, 447, 470, 480, 564, 576, 596, 705, 720, 745, 752, 846, 894, 940, 960, 1128, 1192, 1341, 1410, 1440, 1490, 1504, 1692, 1788, 1880, 2115, 2235, 2256, 2384, 2682, 2820, 2880, 2980, 3008, 3384, 3576, 3760, 4230, 4470, 4512, 4768, 5364, 5640, 5960, 6705, 6768, 7003, 7152, 7520, 8460, 8940, 9024, 9536, 10728, 11280, 11920, 13410, 13536, 14006, 14304, 15040, 16920, 17880, 21009, 21456, 22560, 23840, 26820, 27072, 28012, 28608, 33840, 35015, 35760, 42018, 42912, 45120, 47680, 53640, 56024, 63027, 67680, 70030, 71520, 84036, 85824, 105045, 107280, 112048, 126054, 135360, 140060, 143040, 168072, 210090, 214560, 224096, 252108, 280120, 315135, 336144, 420180, 429120, 448192, 504216, 560240, 630270, 672288, 840360, 1008432, 1120480, 1260540, 1344576, 1680720, 2016864, 2240960, 2521080, 3361440, 4033728, 5042160, 6722880, 10084320, 20168640]

約数ペア:

[(1, 20168640), (2, 10084320), (3, 6722880), (4, 5042160), (5, 4033728), (6, 3361440), (8, 2521080), (9, 2240960), (10, 2016864), (12, 1680720), (15, 1344576), (16, 1260540), (18, 1120480), (20, 1008432), (24, 840360), (30, 672288), (32, 630270), (36, 560240), (40, 504216), (45, 448192), (47, 429120), (48, 420180), (60, 336144), (64, 315135), (72, 280120), (80, 252108), (90, 224096), (94, 214560), (96, 210090), (120, 168072), (141, 143040), (144, 140060), (149, 135360), (160, 126054), (180, 112048), (188, 107280), (192, 105045), (235, 85824), (240, 84036), (282, 71520), (288, 70030), (298, 67680), (320, 63027), (360, 56024), (376, 53640), (423, 47680), (447, 45120), (470, 42912), (480, 42018), (564, 35760), (576, 35015), (596, 33840), (705, 28608), (720, 28012), (745, 27072), (752, 26820), (846, 23840), (894, 22560), (940, 21456), (960, 21009), (1128, 17880), (1192, 16920), (1341, 15040), (1410, 14304), (1440, 14006), (1490, 13536), (1504, 13410), (1692, 11920), (1788, 11280), (1880, 10728), (2115, 9536), (2235, 9024), (2256, 8940), (2384, 8460), (2682, 7520), (2820, 7152), (2880, 7003), (2980, 6768), (3008, 6705), (3384, 5960), (3576, 5640), (3760, 5364), (4230, 4768), (4470, 4512)]