685000960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 1898467200

約数和(自身を除く): 1213466240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 560, 623, 640, 712, 859, 890, 896, 1120, 1246, 1280, 1424, 1718, 1780, 1792, 2240, 2492, 2848, 3115, 3436, 3560, 4295, 4480, 4984, 5696, 6013, 6230, 6872, 7120, 8590, 8960, 9968, 11392, 12026, 12460, 13744, 14240, 17180, 19936, 22784, 24052, 24920, 27488, 28480, 30065, 34360, 39872, 48104, 49840, 54976, 56960, 60130, 68720, 76451, 79744, 96208, 99680, 109952, 113920, 120260, 137440, 152902, 159488, 192416, 199360, 219904, 240520, 274880, 305804, 382255, 384832, 398720, 481040, 535157, 549760, 611608, 764510, 769664, 797440, 962080, 1070314, 1099520, 1223216, 1529020, 1539328, 1924160, 2140628, 2446432, 2675785, 3058040, 3848320, 4281256, 4892864, 5351570, 6116080, 7696640, 8562512, 9785728, 10703140, 12232160, 17125024, 19571456, 21406280, 24464320, 34250048, 42812560, 48928640, 68500096, 85625120, 97857280, 137000192, 171250240, 342500480, 685000960]

約数ペア:

[(1, 685000960), (2, 342500480), (4, 171250240), (5, 137000192), (7, 97857280), (8, 85625120), (10, 68500096), (14, 48928640), (16, 42812560), (20, 34250048), (28, 24464320), (32, 21406280), (35, 19571456), (40, 17125024), (56, 12232160), (64, 10703140), (70, 9785728), (80, 8562512), (89, 7696640), (112, 6116080), (128, 5351570), (140, 4892864), (160, 4281256), (178, 3848320), (224, 3058040), (256, 2675785), (280, 2446432), (320, 2140628), (356, 1924160), (445, 1539328), (448, 1529020), (560, 1223216), (623, 1099520), (640, 1070314), (712, 962080), (859, 797440), (890, 769664), (896, 764510), (1120, 611608), (1246, 549760), (1280, 535157), (1424, 481040), (1718, 398720), (1780, 384832), (1792, 382255), (2240, 305804), (2492, 274880), (2848, 240520), (3115, 219904), (3436, 199360), (3560, 192416), (4295, 159488), (4480, 152902), (4984, 137440), (5696, 120260), (6013, 113920), (6230, 109952), (6872, 99680), (7120, 96208), (8590, 79744), (8960, 76451), (9968, 68720), (11392, 60130), (12026, 56960), (12460, 54976), (13744, 49840), (14240, 48104), (17180, 39872), (19936, 34360), (22784, 30065), (24052, 28480), (24920, 27488)]