21505741440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{42589}}^1$

素因数の和:42874

約数の個数: 128

約数和(自身を含む): 68811811200

約数和(自身を除く): 47306069760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 263, 320, 384, 480, 526, 640, 789, 960, 1052, 1315, 1578, 1920, 2104, 2630, 3156, 3945, 4208, 5260, 6312, 7890, 8416, 10520, 12624, 15780, 16832, 21040, 25248, 31560, 33664, 42080, 42589, 50496, 63120, 84160, 85178, 100992, 126240, 127767, 168320, 170356, 212945, 252480, 255534, 340712, 425890, 504960, 511068, 638835, 681424, 851780, 1022136, 1277670, 1362848, 1703560, 2044272, 2555340, 2725696, 3407120, 4088544, 5110680, 5451392, 6814240, 8177088, 10221360, 11200907, 13628480, 16354176, 20442720, 22401814, 27256960, 33602721, 40885440, 44803628, 56004535, 67205442, 81770880, 89607256, 112009070, 134410884, 168013605, 179214512, 224018140, 268821768, 336027210, 358429024, 448036280, 537643536, 672054420, 716858048, 896072560, 1075287072, 1344108840, 1433716096, 1792145120, 2150574144, 2688217680, 3584290240, 4301148288, 5376435360, 7168580480, 10752870720, 21505741440]

約数ペア:

[(1, 21505741440), (2, 10752870720), (3, 7168580480), (4, 5376435360), (5, 4301148288), (6, 3584290240), (8, 2688217680), (10, 2150574144), (12, 1792145120), (15, 1433716096), (16, 1344108840), (20, 1075287072), (24, 896072560), (30, 716858048), (32, 672054420), (40, 537643536), (48, 448036280), (60, 358429024), (64, 336027210), (80, 268821768), (96, 224018140), (120, 179214512), (128, 168013605), (160, 134410884), (192, 112009070), (240, 89607256), (263, 81770880), (320, 67205442), (384, 56004535), (480, 44803628), (526, 40885440), (640, 33602721), (789, 27256960), (960, 22401814), (1052, 20442720), (1315, 16354176), (1578, 13628480), (1920, 11200907), (2104, 10221360), (2630, 8177088), (3156, 6814240), (3945, 5451392), (4208, 5110680), (5260, 4088544), (6312, 3407120), (7890, 2725696), (8416, 2555340), (10520, 2044272), (12624, 1703560), (15780, 1362848), (16832, 1277670), (21040, 1022136), (25248, 851780), (31560, 681424), (33664, 638835), (42080, 511068), (42589, 504960), (50496, 425890), (63120, 340712), (84160, 255534), (85178, 252480), (100992, 212945), (126240, 170356), (127767, 168320)]