257238000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 240

約数和(自身を含む): 929440512

約数和(自身を除く): 672202512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 125, 144, 150, 155, 180, 186, 200, 225, 240, 248, 250, 279, 300, 310, 360, 372, 375, 400, 450, 461, 465, 496, 500, 558, 600, 620, 720, 744, 750, 775, 900, 922, 930, 1000, 1116, 1125, 1200, 1240, 1383, 1395, 1488, 1500, 1550, 1800, 1844, 1860, 2000, 2232, 2250, 2305, 2325, 2480, 2766, 2790, 3000, 3100, 3600, 3688, 3720, 3875, 4149, 4464, 4500, 4610, 4650, 5532, 5580, 6000, 6200, 6915, 6975, 7376, 7440, 7750, 8298, 9000, 9220, 9300, 11064, 11160, 11525, 11625, 12400, 13830, 13950, 14291, 15500, 16596, 18000, 18440, 18600, 20745, 22128, 22320, 23050, 23250, 27660, 27900, 28582, 31000, 33192, 34575, 34875, 36880, 37200, 41490, 42873, 46100, 46500, 55320, 55800, 57164, 57625, 62000, 66384, 69150, 69750, 71455, 82980, 85746, 92200, 93000, 103725, 110640, 111600, 114328, 115250, 128619, 138300, 139500, 142910, 165960, 171492, 172875, 184400, 186000, 207450, 214365, 228656, 230500, 257238, 276600, 279000, 285820, 331920, 342984, 345750, 357275, 414900, 428730, 461000, 514476, 518625, 553200, 558000, 571640, 643095, 685968, 691500, 714550, 829800, 857460, 922000, 1028952, 1037250, 1071825, 1143280, 1286190, 1383000, 1429100, 1659600, 1714920, 1786375, 2057904, 2074500, 2143650, 2572380, 2766000, 2858200, 3215475, 3429840, 3572750, 4149000, 4287300, 5144760, 5359125, 5716400, 6430950, 7145500, 8298000, 8574600, 10289520, 10718250, 12861900, 14291000, 16077375, 17149200, 21436500, 25723800, 28582000, 32154750, 42873000, 51447600, 64309500, 85746000, 128619000, 257238000]

約数ペア:

[(1, 257238000), (2, 128619000), (3, 85746000), (4, 64309500), (5, 51447600), (6, 42873000), (8, 32154750), (9, 28582000), (10, 25723800), (12, 21436500), (15, 17149200), (16, 16077375), (18, 14291000), (20, 12861900), (24, 10718250), (25, 10289520), (30, 8574600), (31, 8298000), (36, 7145500), (40, 6430950), (45, 5716400), (48, 5359125), (50, 5144760), (60, 4287300), (62, 4149000), (72, 3572750), (75, 3429840), (80, 3215475), (90, 2858200), (93, 2766000), (100, 2572380), (120, 2143650), (124, 2074500), (125, 2057904), (144, 1786375), (150, 1714920), (155, 1659600), (180, 1429100), (186, 1383000), (200, 1286190), (225, 1143280), (240, 1071825), (248, 1037250), (250, 1028952), (279, 922000), (300, 857460), (310, 829800), (360, 714550), (372, 691500), (375, 685968), (400, 643095), (450, 571640), (461, 558000), (465, 553200), (496, 518625), (500, 514476), (558, 461000), (600, 428730), (620, 414900), (720, 357275), (744, 345750), (750, 342984), (775, 331920), (900, 285820), (922, 279000), (930, 276600), (1000, 257238), (1116, 230500), (1125, 228656), (1200, 214365), (1240, 207450), (1383, 186000), (1395, 184400), (1488, 172875), (1500, 171492), (1550, 165960), (1800, 142910), (1844, 139500), (1860, 138300), (2000, 128619), (2232, 115250), (2250, 114328), (2305, 111600), (2325, 110640), (2480, 103725), (2766, 93000), (2790, 92200), (3000, 85746), (3100, 82980), (3600, 71455), (3688, 69750), (3720, 69150), (3875, 66384), (4149, 62000), (4464, 57625), (4500, 57164), (4610, 55800), (4650, 55320), (5532, 46500), (5580, 46100), (6000, 42873), (6200, 41490), (6915, 37200), (6975, 36880), (7376, 34875), (7440, 34575), (7750, 33192), (8298, 31000), (9000, 28582), (9220, 27900), (9300, 27660), (11064, 23250), (11160, 23050), (11525, 22320), (11625, 22128), (12400, 20745), (13830, 18600), (13950, 18440), (14291, 18000), (15500, 16596)]