621569280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1212

約数の個数: 144

約数和(自身を含む): 1999718784

約数和(自身を除く): 1378149504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 256, 314, 320, 384, 471, 480, 628, 640, 768, 785, 942, 960, 1031, 1256, 1280, 1570, 1884, 1920, 2062, 2355, 2512, 3093, 3140, 3768, 3840, 4124, 4710, 5024, 5155, 6186, 6280, 7536, 8248, 9420, 10048, 10310, 12372, 12560, 15072, 15465, 16496, 18840, 20096, 20620, 24744, 25120, 30144, 30930, 32992, 37680, 40192, 41240, 49488, 50240, 60288, 61860, 65984, 75360, 82480, 98976, 100480, 120576, 123720, 131968, 150720, 161867, 164960, 197952, 200960, 247440, 263936, 301440, 323734, 329920, 395904, 485601, 494880, 602880, 647468, 659840, 791808, 809335, 971202, 989760, 1294936, 1319680, 1618670, 1942404, 1979520, 2428005, 2589872, 3237340, 3884808, 3959040, 4856010, 5179744, 6474680, 7769616, 9712020, 10359488, 12949360, 15539232, 19424040, 20718976, 25898720, 31078464, 38848080, 41437952, 51797440, 62156928, 77696160, 103594880, 124313856, 155392320, 207189760, 310784640, 621569280]

約数ペア:

[(1, 621569280), (2, 310784640), (3, 207189760), (4, 155392320), (5, 124313856), (6, 103594880), (8, 77696160), (10, 62156928), (12, 51797440), (15, 41437952), (16, 38848080), (20, 31078464), (24, 25898720), (30, 20718976), (32, 19424040), (40, 15539232), (48, 12949360), (60, 10359488), (64, 9712020), (80, 7769616), (96, 6474680), (120, 5179744), (128, 4856010), (157, 3959040), (160, 3884808), (192, 3237340), (240, 2589872), (256, 2428005), (314, 1979520), (320, 1942404), (384, 1618670), (471, 1319680), (480, 1294936), (628, 989760), (640, 971202), (768, 809335), (785, 791808), (942, 659840), (960, 647468), (1031, 602880), (1256, 494880), (1280, 485601), (1570, 395904), (1884, 329920), (1920, 323734), (2062, 301440), (2355, 263936), (2512, 247440), (3093, 200960), (3140, 197952), (3768, 164960), (3840, 161867), (4124, 150720), (4710, 131968), (5024, 123720), (5155, 120576), (6186, 100480), (6280, 98976), (7536, 82480), (8248, 75360), (9420, 65984), (10048, 61860), (10310, 60288), (12372, 50240), (12560, 49488), (15072, 41240), (15465, 40192), (16496, 37680), (18840, 32992), (20096, 30930), (20620, 30144), (24744, 25120)]