51281280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 183783600

約数和(自身を除く): 132502320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 307, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 614, 640, 696, 720, 870, 921, 928, 960, 1044, 1152, 1160, 1228, 1305, 1392, 1440, 1535, 1740, 1842, 1856, 1920, 2088, 2320, 2456, 2610, 2763, 2784, 2880, 3070, 3480, 3684, 3712, 4176, 4605, 4640, 4912, 5220, 5526, 5568, 5760, 6140, 6960, 7368, 8352, 8903, 9210, 9280, 9824, 10440, 11052, 11136, 12280, 13815, 13920, 14736, 16704, 17806, 18420, 18560, 19648, 20880, 22104, 24560, 26709, 27630, 27840, 29472, 33408, 35612, 36840, 39296, 41760, 44208, 44515, 49120, 53418, 55260, 55680, 58944, 71224, 73680, 80127, 83520, 88416, 89030, 98240, 106836, 110520, 117888, 133545, 142448, 147360, 160254, 167040, 176832, 178060, 196480, 213672, 221040, 267090, 284896, 294720, 320508, 353664, 356120, 400635, 427344, 442080, 534180, 569792, 589440, 641016, 712240, 801270, 854688, 884160, 1068360, 1139584, 1282032, 1424480, 1602540, 1709376, 1768320, 2136720, 2564064, 2848960, 3205080, 3418752, 4273440, 5128128, 5697920, 6410160, 8546880, 10256256, 12820320, 17093760, 25640640, 51281280]

約数ペア:

[(1, 51281280), (2, 25640640), (3, 17093760), (4, 12820320), (5, 10256256), (6, 8546880), (8, 6410160), (9, 5697920), (10, 5128128), (12, 4273440), (15, 3418752), (16, 3205080), (18, 2848960), (20, 2564064), (24, 2136720), (29, 1768320), (30, 1709376), (32, 1602540), (36, 1424480), (40, 1282032), (45, 1139584), (48, 1068360), (58, 884160), (60, 854688), (64, 801270), (72, 712240), (80, 641016), (87, 589440), (90, 569792), (96, 534180), (116, 442080), (120, 427344), (128, 400635), (144, 356120), (145, 353664), (160, 320508), (174, 294720), (180, 284896), (192, 267090), (232, 221040), (240, 213672), (261, 196480), (288, 178060), (290, 176832), (307, 167040), (320, 160254), (348, 147360), (360, 142448), (384, 133545), (435, 117888), (464, 110520), (480, 106836), (522, 98240), (576, 89030), (580, 88416), (614, 83520), (640, 80127), (696, 73680), (720, 71224), (870, 58944), (921, 55680), (928, 55260), (960, 53418), (1044, 49120), (1152, 44515), (1160, 44208), (1228, 41760), (1305, 39296), (1392, 36840), (1440, 35612), (1535, 33408), (1740, 29472), (1842, 27840), (1856, 27630), (1920, 26709), (2088, 24560), (2320, 22104), (2456, 20880), (2610, 19648), (2763, 18560), (2784, 18420), (2880, 17806), (3070, 16704), (3480, 14736), (3684, 13920), (3712, 13815), (4176, 12280), (4605, 11136), (4640, 11052), (4912, 10440), (5220, 9824), (5526, 9280), (5568, 9210), (5760, 8903), (6140, 8352), (6960, 7368)]