256788000

素因数分解:

$2^5\times 3^2\times 5^3\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 288

約数和(自身を含む): 1042554240

約数和(自身を除く): 785766240

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, 125, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 336, 350, 360, 375, 400, 420, 450, 480, 500, 504, 525, 560, 600, 630, 672, 700, 720, 750, 800, 840, 875, 900, 1000, 1008, 1019, 1050, 1120, 1125, 1200, 1260, 1400, 1440, 1500, 1575, 1680, 1750, 1800, 2000, 2016, 2038, 2100, 2250, 2400, 2520, 2625, 2800, 3000, 3057, 3150, 3360, 3500, 3600, 4000, 4076, 4200, 4500, 5040, 5095, 5250, 5600, 6000, 6114, 6300, 7000, 7133, 7200, 7875, 8152, 8400, 9000, 9171, 10080, 10190, 10500, 12000, 12228, 12600, 14000, 14266, 15285, 15750, 16304, 16800, 18000, 18342, 20380, 21000, 21399, 24456, 25200, 25475, 28000, 28532, 30570, 31500, 32608, 35665, 36000, 36684, 40760, 42000, 42798, 45855, 48912, 50400, 50950, 57064, 61140, 63000, 64197, 71330, 73368, 76425, 81520, 84000, 85596, 91710, 97824, 101900, 106995, 114128, 122280, 126000, 127375, 128394, 142660, 146736, 152850, 163040, 171192, 178325, 183420, 203800, 213990, 228256, 229275, 244560, 252000, 254750, 256788, 285320, 293472, 305700, 320985, 342384, 356650, 366840, 382125, 407600, 427980, 458550, 489120, 509500, 513576, 534975, 570640, 611400, 641970, 684768, 713300, 733680, 764250, 815200, 855960, 891625, 917100, 1019000, 1027152, 1069950, 1141280, 1146375, 1222800, 1283940, 1426600, 1467360, 1528500, 1604925, 1711920, 1783250, 1834200, 2038000, 2054304, 2139900, 2292750, 2445600, 2567880, 2674875, 2853200, 3057000, 3209850, 3423840, 3566500, 3668400, 4076000, 4279800, 4585500, 5135760, 5349750, 5706400, 6114000, 6419700, 7133000, 7336800, 8024625, 8559600, 9171000, 10271520, 10699500, 12228000, 12839400, 14266000, 16049250, 17119200, 18342000, 21399000, 25678800, 28532000, 32098500, 36684000, 42798000, 51357600, 64197000, 85596000, 128394000, 256788000]

約数ペア:

[(1, 256788000), (2, 128394000), (3, 85596000), (4, 64197000), (5, 51357600), (6, 42798000), (7, 36684000), (8, 32098500), (9, 28532000), (10, 25678800), (12, 21399000), (14, 18342000), (15, 17119200), (16, 16049250), (18, 14266000), (20, 12839400), (21, 12228000), (24, 10699500), (25, 10271520), (28, 9171000), (30, 8559600), (32, 8024625), (35, 7336800), (36, 7133000), (40, 6419700), (42, 6114000), (45, 5706400), (48, 5349750), (50, 5135760), (56, 4585500), (60, 4279800), (63, 4076000), (70, 3668400), (72, 3566500), (75, 3423840), (80, 3209850), (84, 3057000), (90, 2853200), (96, 2674875), (100, 2567880), (105, 2445600), (112, 2292750), (120, 2139900), (125, 2054304), (126, 2038000), (140, 1834200), (144, 1783250), (150, 1711920), (160, 1604925), (168, 1528500), (175, 1467360), (180, 1426600), (200, 1283940), (210, 1222800), (224, 1146375), (225, 1141280), (240, 1069950), (250, 1027152), (252, 1019000), (280, 917100), (288, 891625), (300, 855960), (315, 815200), (336, 764250), (350, 733680), (360, 713300), (375, 684768), (400, 641970), (420, 611400), (450, 570640), (480, 534975), (500, 513576), (504, 509500), (525, 489120), (560, 458550), (600, 427980), (630, 407600), (672, 382125), (700, 366840), (720, 356650), (750, 342384), (800, 320985), (840, 305700), (875, 293472), (900, 285320), (1000, 256788), (1008, 254750), (1019, 252000), (1050, 244560), (1120, 229275), (1125, 228256), (1200, 213990), (1260, 203800), (1400, 183420), (1440, 178325), (1500, 171192), (1575, 163040), (1680, 152850), (1750, 146736), (1800, 142660), (2000, 128394), (2016, 127375), (2038, 126000), (2100, 122280), (2250, 114128), (2400, 106995), (2520, 101900), (2625, 97824), (2800, 91710), (3000, 85596), (3057, 84000), (3150, 81520), (3360, 76425), (3500, 73368), (3600, 71330), (4000, 64197), (4076, 63000), (4200, 61140), (4500, 57064), (5040, 50950), (5095, 50400), (5250, 48912), (5600, 45855), (6000, 42798), (6114, 42000), (6300, 40760), (7000, 36684), (7133, 36000), (7200, 35665), (7875, 32608), (8152, 31500), (8400, 30570), (9000, 28532), (9171, 28000), (10080, 25475), (10190, 25200), (10500, 24456), (12000, 21399), (12228, 21000), (12600, 20380), (14000, 18342), (14266, 18000), (15285, 16800), (15750, 16304)]