387985920

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 240

約数和(自身を含む): 1444246848

約数和(自身を除く): 1056260928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1031, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2062, 2240, 2352, 2560, 2688, 2940, 3093, 3136, 3360, 3584, 3840, 3920, 4124, 4480, 4704, 5155, 5376, 5880, 6186, 6272, 6720, 7217, 7680, 7840, 8248, 8960, 9408, 10310, 10752, 11760, 12372, 12544, 13440, 14434, 15465, 15680, 16496, 17920, 18816, 20620, 21651, 23520, 24744, 25088, 26880, 28868, 30930, 31360, 32992, 36085, 37632, 41240, 43302, 47040, 49488, 50519, 53760, 57736, 61860, 62720, 65984, 72170, 75264, 82480, 86604, 94080, 98976, 101038, 108255, 115472, 123720, 125440, 131968, 144340, 151557, 164960, 173208, 188160, 197952, 202076, 216510, 230944, 247440, 252595, 263936, 288680, 303114, 329920, 346416, 376320, 395904, 404152, 433020, 461888, 494880, 505190, 527872, 577360, 606228, 659840, 692832, 757785, 791808, 808304, 866040, 923776, 989760, 1010380, 1154720, 1212456, 1319680, 1385664, 1515570, 1583616, 1616608, 1732080, 1847552, 1979520, 2020760, 2309440, 2424912, 2639360, 2771328, 3031140, 3233216, 3464160, 3695104, 3959040, 4041520, 4618880, 4849824, 5542656, 6062280, 6466432, 6928320, 7918080, 8083040, 9237760, 9699648, 11085312, 12124560, 12932864, 13856640, 16166080, 18475520, 19399296, 24249120, 25865728, 27713280, 32332160, 38798592, 48498240, 55426560, 64664320, 77597184, 96996480, 129328640, 193992960, 387985920]

約数ペア:

[(1, 387985920), (2, 193992960), (3, 129328640), (4, 96996480), (5, 77597184), (6, 64664320), (7, 55426560), (8, 48498240), (10, 38798592), (12, 32332160), (14, 27713280), (15, 25865728), (16, 24249120), (20, 19399296), (21, 18475520), (24, 16166080), (28, 13856640), (30, 12932864), (32, 12124560), (35, 11085312), (40, 9699648), (42, 9237760), (48, 8083040), (49, 7918080), (56, 6928320), (60, 6466432), (64, 6062280), (70, 5542656), (80, 4849824), (84, 4618880), (96, 4041520), (98, 3959040), (105, 3695104), (112, 3464160), (120, 3233216), (128, 3031140), (140, 2771328), (147, 2639360), (160, 2424912), (168, 2309440), (192, 2020760), (196, 1979520), (210, 1847552), (224, 1732080), (240, 1616608), (245, 1583616), (256, 1515570), (280, 1385664), (294, 1319680), (320, 1212456), (336, 1154720), (384, 1010380), (392, 989760), (420, 923776), (448, 866040), (480, 808304), (490, 791808), (512, 757785), (560, 692832), (588, 659840), (640, 606228), (672, 577360), (735, 527872), (768, 505190), (784, 494880), (840, 461888), (896, 433020), (960, 404152), (980, 395904), (1031, 376320), (1120, 346416), (1176, 329920), (1280, 303114), (1344, 288680), (1470, 263936), (1536, 252595), (1568, 247440), (1680, 230944), (1792, 216510), (1920, 202076), (1960, 197952), (2062, 188160), (2240, 173208), (2352, 164960), (2560, 151557), (2688, 144340), (2940, 131968), (3093, 125440), (3136, 123720), (3360, 115472), (3584, 108255), (3840, 101038), (3920, 98976), (4124, 94080), (4480, 86604), (4704, 82480), (5155, 75264), (5376, 72170), (5880, 65984), (6186, 62720), (6272, 61860), (6720, 57736), (7217, 53760), (7680, 50519), (7840, 49488), (8248, 47040), (8960, 43302), (9408, 41240), (10310, 37632), (10752, 36085), (11760, 32992), (12372, 31360), (12544, 30930), (13440, 28868), (14434, 26880), (15465, 25088), (15680, 24744), (16496, 23520), (17920, 21651), (18816, 20620)]