256851000

素因数分解:

$2^3\times 3^5\times 5^3\times 7^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 384

約数和(自身を含む): 1035740160

約数和(自身を除く): 778889160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 81, 84, 90, 100, 105, 108, 120, 125, 126, 135, 140, 150, 151, 162, 168, 175, 180, 189, 200, 210, 216, 225, 243, 250, 252, 270, 280, 300, 302, 315, 324, 350, 360, 375, 378, 405, 420, 450, 453, 486, 500, 504, 525, 540, 567, 600, 604, 630, 648, 675, 700, 750, 755, 756, 810, 840, 875, 900, 906, 945, 972, 1000, 1050, 1057, 1080, 1125, 1134, 1208, 1215, 1260, 1350, 1359, 1400, 1500, 1510, 1512, 1575, 1620, 1701, 1750, 1800, 1812, 1890, 1944, 2025, 2100, 2114, 2250, 2265, 2268, 2430, 2520, 2625, 2700, 2718, 2835, 3000, 3020, 3150, 3171, 3240, 3375, 3402, 3500, 3624, 3775, 3780, 4050, 4077, 4200, 4228, 4500, 4530, 4536, 4725, 4860, 5250, 5285, 5400, 5436, 5670, 6040, 6075, 6300, 6342, 6750, 6795, 6804, 7000, 7550, 7560, 7875, 8100, 8154, 8456, 8505, 9000, 9060, 9450, 9513, 9720, 10125, 10500, 10570, 10872, 11325, 11340, 12150, 12231, 12600, 12684, 13500, 13590, 13608, 14175, 15100, 15750, 15855, 16200, 16308, 17010, 18120, 18875, 18900, 19026, 20250, 20385, 21000, 21140, 22650, 22680, 23625, 24300, 24462, 25368, 26425, 27000, 27180, 28350, 28539, 30200, 30375, 31500, 31710, 32616, 33975, 34020, 36693, 37750, 37800, 38052, 40500, 40770, 42280, 42525, 45300, 47250, 47565, 48600, 48924, 52850, 54360, 56625, 56700, 57078, 60750, 61155, 63000, 63420, 67950, 68040, 70875, 73386, 75500, 76104, 79275, 81000, 81540, 85050, 85617, 90600, 94500, 95130, 97848, 101925, 105700, 113250, 113400, 114156, 121500, 122310, 126840, 132125, 135900, 141750, 142695, 146772, 151000, 158550, 163080, 169875, 170100, 171234, 183465, 189000, 190260, 203850, 211400, 212625, 226500, 228312, 237825, 243000, 244620, 256851, 264250, 271800, 283500, 285390, 293544, 305775, 317100, 339750, 340200, 342468, 366930, 380520, 396375, 407700, 425250, 428085, 453000, 475650, 489240, 509625, 513702, 528500, 567000, 570780, 611550, 634200, 679500, 684936, 713475, 733860, 792750, 815400, 850500, 856170, 917325, 951300, 1019250, 1027404, 1057000, 1141560, 1189125, 1223100, 1284255, 1359000, 1426950, 1467720, 1528875, 1585500, 1701000, 1712340, 1834650, 1902600, 2038500, 2054808, 2140425, 2378250, 2446200, 2568510, 2853900, 3057750, 3171000, 3424680, 3567375, 3669300, 4077000, 4280850, 4586625, 4756500, 5137020, 5707800, 6115500, 6421275, 7134750, 7338600, 8561700, 9173250, 9513000, 10274040, 10702125, 12231000, 12842550, 14269500, 17123400, 18346500, 21404250, 25685100, 28539000, 32106375, 36693000, 42808500, 51370200, 64212750, 85617000, 128425500, 256851000]

約数ペア:

[(1, 256851000), (2, 128425500), (3, 85617000), (4, 64212750), (5, 51370200), (6, 42808500), (7, 36693000), (8, 32106375), (9, 28539000), (10, 25685100), (12, 21404250), (14, 18346500), (15, 17123400), (18, 14269500), (20, 12842550), (21, 12231000), (24, 10702125), (25, 10274040), (27, 9513000), (28, 9173250), (30, 8561700), (35, 7338600), (36, 7134750), (40, 6421275), (42, 6115500), (45, 5707800), (50, 5137020), (54, 4756500), (56, 4586625), (60, 4280850), (63, 4077000), (70, 3669300), (72, 3567375), (75, 3424680), (81, 3171000), (84, 3057750), (90, 2853900), (100, 2568510), (105, 2446200), (108, 2378250), (120, 2140425), (125, 2054808), (126, 2038500), (135, 1902600), (140, 1834650), (150, 1712340), (151, 1701000), (162, 1585500), (168, 1528875), (175, 1467720), (180, 1426950), (189, 1359000), (200, 1284255), (210, 1223100), (216, 1189125), (225, 1141560), (243, 1057000), (250, 1027404), (252, 1019250), (270, 951300), (280, 917325), (300, 856170), (302, 850500), (315, 815400), (324, 792750), (350, 733860), (360, 713475), (375, 684936), (378, 679500), (405, 634200), (420, 611550), (450, 570780), (453, 567000), (486, 528500), (500, 513702), (504, 509625), (525, 489240), (540, 475650), (567, 453000), (600, 428085), (604, 425250), (630, 407700), (648, 396375), (675, 380520), (700, 366930), (750, 342468), (755, 340200), (756, 339750), (810, 317100), (840, 305775), (875, 293544), (900, 285390), (906, 283500), (945, 271800), (972, 264250), (1000, 256851), (1050, 244620), (1057, 243000), (1080, 237825), (1125, 228312), (1134, 226500), (1208, 212625), (1215, 211400), (1260, 203850), (1350, 190260), (1359, 189000), (1400, 183465), (1500, 171234), (1510, 170100), (1512, 169875), (1575, 163080), (1620, 158550), (1701, 151000), (1750, 146772), (1800, 142695), (1812, 141750), (1890, 135900), (1944, 132125), (2025, 126840), (2100, 122310), (2114, 121500), (2250, 114156), (2265, 113400), (2268, 113250), (2430, 105700), (2520, 101925), (2625, 97848), (2700, 95130), (2718, 94500), (2835, 90600), (3000, 85617), (3020, 85050), (3150, 81540), (3171, 81000), (3240, 79275), (3375, 76104), (3402, 75500), (3500, 73386), (3624, 70875), (3775, 68040), (3780, 67950), (4050, 63420), (4077, 63000), (4200, 61155), (4228, 60750), (4500, 57078), (4530, 56700), (4536, 56625), (4725, 54360), (4860, 52850), (5250, 48924), (5285, 48600), (5400, 47565), (5436, 47250), (5670, 45300), (6040, 42525), (6075, 42280), (6300, 40770), (6342, 40500), (6750, 38052), (6795, 37800), (6804, 37750), (7000, 36693), (7550, 34020), (7560, 33975), (7875, 32616), (8100, 31710), (8154, 31500), (8456, 30375), (8505, 30200), (9000, 28539), (9060, 28350), (9450, 27180), (9513, 27000), (9720, 26425), (10125, 25368), (10500, 24462), (10570, 24300), (10872, 23625), (11325, 22680), (11340, 22650), (12150, 21140), (12231, 21000), (12600, 20385), (12684, 20250), (13500, 19026), (13590, 18900), (13608, 18875), (14175, 18120), (15100, 17010), (15750, 16308), (15855, 16200)]