251677440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{3121}}^1$

素因数の和:3155

約数の個数: 216

約数和(自身を含む): 995493408

約数和(自身を除く): 743815968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3121, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6242, 6720, 8064, 8960, 9363, 10080, 11520, 12484, 13440, 15605, 16128, 18726, 20160, 21847, 24968, 26880, 28089, 31210, 37452, 40320, 43694, 46815, 49936, 56178, 62420, 65541, 74904, 80640, 87388, 93630, 99872, 109235, 112356, 124840, 131082, 140445, 149808, 174776, 187260, 196623, 199744, 218470, 224712, 249680, 262164, 280890, 299616, 327705, 349552, 374520, 393246, 399488, 436940, 449424, 499360, 524328, 561780, 599232, 655410, 699104, 749040, 786492, 798976, 873880, 898848, 983115, 998720, 1048656, 1123560, 1198464, 1310820, 1398208, 1498080, 1572984, 1747760, 1797696, 1966230, 1997440, 2097312, 2247120, 2396928, 2621640, 2796416, 2996160, 3145968, 3495520, 3595392, 3932460, 3994880, 4194624, 4494240, 5243280, 5592832, 5992320, 6291936, 6991040, 7190784, 7864920, 8389248, 8988480, 10486560, 11984640, 12583872, 13982080, 15729840, 16778496, 17976960, 20973120, 25167744, 27964160, 31459680, 35953920, 41946240, 50335488, 62919360, 83892480, 125838720, 251677440]

約数ペア:

[(1, 251677440), (2, 125838720), (3, 83892480), (4, 62919360), (5, 50335488), (6, 41946240), (7, 35953920), (8, 31459680), (9, 27964160), (10, 25167744), (12, 20973120), (14, 17976960), (15, 16778496), (16, 15729840), (18, 13982080), (20, 12583872), (21, 11984640), (24, 10486560), (28, 8988480), (30, 8389248), (32, 7864920), (35, 7190784), (36, 6991040), (40, 6291936), (42, 5992320), (45, 5592832), (48, 5243280), (56, 4494240), (60, 4194624), (63, 3994880), (64, 3932460), (70, 3595392), (72, 3495520), (80, 3145968), (84, 2996160), (90, 2796416), (96, 2621640), (105, 2396928), (112, 2247120), (120, 2097312), (126, 1997440), (128, 1966230), (140, 1797696), (144, 1747760), (160, 1572984), (168, 1498080), (180, 1398208), (192, 1310820), (210, 1198464), (224, 1123560), (240, 1048656), (252, 998720), (256, 983115), (280, 898848), (288, 873880), (315, 798976), (320, 786492), (336, 749040), (360, 699104), (384, 655410), (420, 599232), (448, 561780), (480, 524328), (504, 499360), (560, 449424), (576, 436940), (630, 399488), (640, 393246), (672, 374520), (720, 349552), (768, 327705), (840, 299616), (896, 280890), (960, 262164), (1008, 249680), (1120, 224712), (1152, 218470), (1260, 199744), (1280, 196623), (1344, 187260), (1440, 174776), (1680, 149808), (1792, 140445), (1920, 131082), (2016, 124840), (2240, 112356), (2304, 109235), (2520, 99872), (2688, 93630), (2880, 87388), (3121, 80640), (3360, 74904), (3840, 65541), (4032, 62420), (4480, 56178), (5040, 49936), (5376, 46815), (5760, 43694), (6242, 40320), (6720, 37452), (8064, 31210), (8960, 28089), (9363, 26880), (10080, 24968), (11520, 21847), (12484, 20160), (13440, 18726), (15605, 16128)]