51884640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 179026848

約数和(自身を除く): 127142208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 263, 274, 288, 360, 411, 480, 526, 548, 685, 720, 789, 822, 1052, 1096, 1233, 1315, 1370, 1440, 1578, 1644, 2055, 2104, 2192, 2367, 2466, 2630, 2740, 3156, 3288, 3945, 4110, 4208, 4384, 4734, 4932, 5260, 5480, 6165, 6312, 6576, 7890, 8220, 8416, 9468, 9864, 10520, 10960, 11835, 12330, 12624, 13152, 15780, 16440, 18936, 19728, 21040, 21920, 23670, 24660, 25248, 31560, 32880, 36031, 37872, 39456, 42080, 47340, 49320, 63120, 65760, 72062, 75744, 94680, 98640, 108093, 126240, 144124, 180155, 189360, 197280, 216186, 288248, 324279, 360310, 378720, 432372, 540465, 576496, 648558, 720620, 864744, 1080930, 1152992, 1297116, 1441240, 1621395, 1729488, 2161860, 2594232, 2882480, 3242790, 3458976, 4323720, 5188464, 5764960, 6485580, 8647440, 10376928, 12971160, 17294880, 25942320, 51884640]

約数ペア:

[(1, 51884640), (2, 25942320), (3, 17294880), (4, 12971160), (5, 10376928), (6, 8647440), (8, 6485580), (9, 5764960), (10, 5188464), (12, 4323720), (15, 3458976), (16, 3242790), (18, 2882480), (20, 2594232), (24, 2161860), (30, 1729488), (32, 1621395), (36, 1441240), (40, 1297116), (45, 1152992), (48, 1080930), (60, 864744), (72, 720620), (80, 648558), (90, 576496), (96, 540465), (120, 432372), (137, 378720), (144, 360310), (160, 324279), (180, 288248), (240, 216186), (263, 197280), (274, 189360), (288, 180155), (360, 144124), (411, 126240), (480, 108093), (526, 98640), (548, 94680), (685, 75744), (720, 72062), (789, 65760), (822, 63120), (1052, 49320), (1096, 47340), (1233, 42080), (1315, 39456), (1370, 37872), (1440, 36031), (1578, 32880), (1644, 31560), (2055, 25248), (2104, 24660), (2192, 23670), (2367, 21920), (2466, 21040), (2630, 19728), (2740, 18936), (3156, 16440), (3288, 15780), (3945, 13152), (4110, 12624), (4208, 12330), (4384, 11835), (4734, 10960), (4932, 10520), (5260, 9864), (5480, 9468), (6165, 8416), (6312, 8220), (6576, 7890)]