257014080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 224

約数和(自身を含む): 917326080

約数和(自身を除く): 660312000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 151, 160, 180, 192, 197, 216, 240, 270, 288, 302, 320, 360, 394, 432, 453, 480, 540, 576, 591, 604, 720, 755, 788, 864, 906, 960, 985, 1080, 1182, 1208, 1359, 1440, 1510, 1576, 1728, 1773, 1812, 1970, 2160, 2265, 2364, 2416, 2718, 2880, 2955, 3020, 3152, 3546, 3624, 3940, 4077, 4320, 4530, 4728, 4832, 5319, 5436, 5910, 6040, 6304, 6795, 7092, 7248, 7880, 8154, 8640, 8865, 9060, 9456, 9664, 10638, 10872, 11820, 12080, 12608, 13590, 14184, 14496, 15760, 16308, 17730, 18120, 18912, 20385, 21276, 21744, 23640, 24160, 26595, 27180, 28368, 28992, 29747, 31520, 32616, 35460, 36240, 37824, 40770, 42552, 43488, 47280, 48320, 53190, 54360, 56736, 59494, 63040, 65232, 70920, 72480, 81540, 85104, 86976, 89241, 94560, 106380, 108720, 113472, 118988, 130464, 141840, 144960, 148735, 163080, 170208, 178482, 189120, 212760, 217440, 237976, 260928, 267723, 283680, 297470, 326160, 340416, 356964, 425520, 434880, 446205, 475952, 535446, 567360, 594940, 652320, 713928, 803169, 851040, 892410, 951904, 1070892, 1189880, 1304640, 1338615, 1427856, 1606338, 1702080, 1784820, 1903808, 2141784, 2379760, 2677230, 2855712, 3212676, 3569640, 4015845, 4283568, 4759520, 5354460, 5711424, 6425352, 7139280, 8031690, 8567136, 9519040, 10708920, 12850704, 14278560, 16063380, 17134272, 21417840, 25701408, 28557120, 32126760, 42835680, 51402816, 64253520, 85671360, 128507040, 257014080]

約数ペア:

[(1, 257014080), (2, 128507040), (3, 85671360), (4, 64253520), (5, 51402816), (6, 42835680), (8, 32126760), (9, 28557120), (10, 25701408), (12, 21417840), (15, 17134272), (16, 16063380), (18, 14278560), (20, 12850704), (24, 10708920), (27, 9519040), (30, 8567136), (32, 8031690), (36, 7139280), (40, 6425352), (45, 5711424), (48, 5354460), (54, 4759520), (60, 4283568), (64, 4015845), (72, 3569640), (80, 3212676), (90, 2855712), (96, 2677230), (108, 2379760), (120, 2141784), (135, 1903808), (144, 1784820), (151, 1702080), (160, 1606338), (180, 1427856), (192, 1338615), (197, 1304640), (216, 1189880), (240, 1070892), (270, 951904), (288, 892410), (302, 851040), (320, 803169), (360, 713928), (394, 652320), (432, 594940), (453, 567360), (480, 535446), (540, 475952), (576, 446205), (591, 434880), (604, 425520), (720, 356964), (755, 340416), (788, 326160), (864, 297470), (906, 283680), (960, 267723), (985, 260928), (1080, 237976), (1182, 217440), (1208, 212760), (1359, 189120), (1440, 178482), (1510, 170208), (1576, 163080), (1728, 148735), (1773, 144960), (1812, 141840), (1970, 130464), (2160, 118988), (2265, 113472), (2364, 108720), (2416, 106380), (2718, 94560), (2880, 89241), (2955, 86976), (3020, 85104), (3152, 81540), (3546, 72480), (3624, 70920), (3940, 65232), (4077, 63040), (4320, 59494), (4530, 56736), (4728, 54360), (4832, 53190), (5319, 48320), (5436, 47280), (5910, 43488), (6040, 42552), (6304, 40770), (6795, 37824), (7092, 36240), (7248, 35460), (7880, 32616), (8154, 31520), (8640, 29747), (8865, 28992), (9060, 28368), (9456, 27180), (9664, 26595), (10638, 24160), (10872, 23640), (11820, 21744), (12080, 21276), (12608, 20385), (13590, 18912), (14184, 18120), (14496, 17730), (15760, 16308)]