51505920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 189405216

約数和(自身を除く): 137899296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 263, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 526, 544, 576, 612, 640, 680, 720, 765, 768, 789, 816, 960, 1020, 1052, 1088, 1152, 1224, 1280, 1315, 1360, 1440, 1530, 1578, 1632, 1920, 2040, 2104, 2176, 2304, 2367, 2448, 2630, 2720, 2880, 3060, 3156, 3264, 3840, 3945, 4080, 4208, 4352, 4471, 4734, 4896, 5260, 5440, 5760, 6120, 6312, 6528, 7890, 8160, 8416, 8942, 9468, 9792, 10520, 10880, 11520, 11835, 12240, 12624, 13056, 13413, 15780, 16320, 16832, 17884, 18936, 19584, 21040, 21760, 22355, 23670, 24480, 25248, 26826, 31560, 32640, 33664, 35768, 37872, 39168, 40239, 42080, 44710, 47340, 48960, 50496, 53652, 63120, 65280, 67065, 67328, 71536, 75744, 80478, 84160, 89420, 94680, 97920, 100992, 107304, 126240, 134130, 143072, 151488, 160956, 168320, 178840, 189360, 195840, 201195, 201984, 214608, 252480, 268260, 286144, 302976, 321912, 336640, 357680, 378720, 402390, 429216, 504960, 536520, 572288, 605952, 643824, 715360, 757440, 804780, 858432, 1009920, 1073040, 1144576, 1287648, 1430720, 1514880, 1609560, 1716864, 2146080, 2575296, 2861440, 3029760, 3219120, 3433728, 4292160, 5150592, 5722880, 6438240, 8584320, 10301184, 12876480, 17168640, 25752960, 51505920]

約数ペア:

[(1, 51505920), (2, 25752960), (3, 17168640), (4, 12876480), (5, 10301184), (6, 8584320), (8, 6438240), (9, 5722880), (10, 5150592), (12, 4292160), (15, 3433728), (16, 3219120), (17, 3029760), (18, 2861440), (20, 2575296), (24, 2146080), (30, 1716864), (32, 1609560), (34, 1514880), (36, 1430720), (40, 1287648), (45, 1144576), (48, 1073040), (51, 1009920), (60, 858432), (64, 804780), (68, 757440), (72, 715360), (80, 643824), (85, 605952), (90, 572288), (96, 536520), (102, 504960), (120, 429216), (128, 402390), (136, 378720), (144, 357680), (153, 336640), (160, 321912), (170, 302976), (180, 286144), (192, 268260), (204, 252480), (240, 214608), (255, 201984), (256, 201195), (263, 195840), (272, 189360), (288, 178840), (306, 168320), (320, 160956), (340, 151488), (360, 143072), (384, 134130), (408, 126240), (480, 107304), (510, 100992), (526, 97920), (544, 94680), (576, 89420), (612, 84160), (640, 80478), (680, 75744), (720, 71536), (765, 67328), (768, 67065), (789, 65280), (816, 63120), (960, 53652), (1020, 50496), (1052, 48960), (1088, 47340), (1152, 44710), (1224, 42080), (1280, 40239), (1315, 39168), (1360, 37872), (1440, 35768), (1530, 33664), (1578, 32640), (1632, 31560), (1920, 26826), (2040, 25248), (2104, 24480), (2176, 23670), (2304, 22355), (2367, 21760), (2448, 21040), (2630, 19584), (2720, 18936), (2880, 17884), (3060, 16832), (3156, 16320), (3264, 15780), (3840, 13413), (3945, 13056), (4080, 12624), (4208, 12240), (4352, 11835), (4471, 11520), (4734, 10880), (4896, 10520), (5260, 9792), (5440, 9468), (5760, 8942), (6120, 8416), (6312, 8160), (6528, 7890)]