256384800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{5087}}^1$

素因数の和:5120

約数の個数: 216

約数和(自身を含む): 1033433856

約数和(自身を除く): 777049056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 840, 900, 1008, 1050, 1120, 1200, 1260, 1400, 1440, 1575, 1680, 1800, 2016, 2100, 2400, 2520, 2800, 3150, 3360, 3600, 4200, 5040, 5087, 5600, 6300, 7200, 8400, 10080, 10174, 12600, 15261, 16800, 20348, 25200, 25435, 30522, 35609, 40696, 45783, 50400, 50870, 61044, 71218, 76305, 81392, 91566, 101740, 106827, 122088, 127175, 142436, 152610, 162784, 178045, 183132, 203480, 213654, 228915, 244176, 254350, 284872, 305220, 320481, 356090, 366264, 381525, 406960, 427308, 457830, 488352, 508700, 534135, 569744, 610440, 640962, 712180, 732528, 763050, 813920, 854616, 890225, 915660, 1017400, 1068270, 1139488, 1144575, 1220880, 1281924, 1424360, 1465056, 1526100, 1602405, 1709232, 1780450, 1831320, 2034800, 2136540, 2289150, 2441760, 2563848, 2670675, 2848720, 3052200, 3204810, 3418464, 3560900, 3662640, 4069600, 4273080, 4578300, 5127696, 5341350, 5697440, 6104400, 6409620, 7121800, 7325280, 8012025, 8546160, 9156600, 10255392, 10682700, 12208800, 12819240, 14243600, 16024050, 17092320, 18313200, 21365400, 25638480, 28487200, 32048100, 36626400, 42730800, 51276960, 64096200, 85461600, 128192400, 256384800]

約数ペア:

[(1, 256384800), (2, 128192400), (3, 85461600), (4, 64096200), (5, 51276960), (6, 42730800), (7, 36626400), (8, 32048100), (9, 28487200), (10, 25638480), (12, 21365400), (14, 18313200), (15, 17092320), (16, 16024050), (18, 14243600), (20, 12819240), (21, 12208800), (24, 10682700), (25, 10255392), (28, 9156600), (30, 8546160), (32, 8012025), (35, 7325280), (36, 7121800), (40, 6409620), (42, 6104400), (45, 5697440), (48, 5341350), (50, 5127696), (56, 4578300), (60, 4273080), (63, 4069600), (70, 3662640), (72, 3560900), (75, 3418464), (80, 3204810), (84, 3052200), (90, 2848720), (96, 2670675), (100, 2563848), (105, 2441760), (112, 2289150), (120, 2136540), (126, 2034800), (140, 1831320), (144, 1780450), (150, 1709232), (160, 1602405), (168, 1526100), (175, 1465056), (180, 1424360), (200, 1281924), (210, 1220880), (224, 1144575), (225, 1139488), (240, 1068270), (252, 1017400), (280, 915660), (288, 890225), (300, 854616), (315, 813920), (336, 763050), (350, 732528), (360, 712180), (400, 640962), (420, 610440), (450, 569744), (480, 534135), (504, 508700), (525, 488352), (560, 457830), (600, 427308), (630, 406960), (672, 381525), (700, 366264), (720, 356090), (800, 320481), (840, 305220), (900, 284872), (1008, 254350), (1050, 244176), (1120, 228915), (1200, 213654), (1260, 203480), (1400, 183132), (1440, 178045), (1575, 162784), (1680, 152610), (1800, 142436), (2016, 127175), (2100, 122088), (2400, 106827), (2520, 101740), (2800, 91566), (3150, 81392), (3360, 76305), (3600, 71218), (4200, 61044), (5040, 50870), (5087, 50400), (5600, 45783), (6300, 40696), (7200, 35609), (8400, 30522), (10080, 25435), (10174, 25200), (12600, 20348), (15261, 16800)]