1644110720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 192

約数和(自身を含む): 4625618400

約数和(自身を除く): 2981507680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 103, 112, 128, 140, 160, 196, 206, 224, 245, 280, 320, 392, 412, 448, 490, 509, 515, 560, 640, 721, 784, 824, 896, 980, 1018, 1030, 1120, 1442, 1568, 1648, 1960, 2036, 2060, 2240, 2545, 2884, 3136, 3296, 3563, 3605, 3920, 4072, 4120, 4480, 5047, 5090, 5768, 6272, 6592, 7126, 7210, 7840, 8144, 8240, 10094, 10180, 11536, 13184, 14252, 14420, 15680, 16288, 16480, 17815, 20188, 20360, 23072, 24941, 25235, 28504, 28840, 31360, 32576, 32960, 35630, 40376, 40720, 46144, 49882, 50470, 52427, 57008, 57680, 65152, 65920, 71260, 80752, 81440, 92288, 99764, 100940, 104854, 114016, 115360, 124705, 142520, 161504, 162880, 199528, 201880, 209708, 228032, 230720, 249410, 262135, 285040, 323008, 325760, 366989, 399056, 403760, 419416, 456064, 461440, 498820, 524270, 570080, 646016, 733978, 798112, 807520, 838832, 997640, 1048540, 1140160, 1467956, 1596224, 1615040, 1677664, 1834945, 1995280, 2097080, 2280320, 2568923, 2935912, 3192448, 3230080, 3355328, 3669890, 3990560, 4194160, 5137846, 5871824, 6710656, 7339780, 7981120, 8388320, 10275692, 11743648, 12844615, 14679560, 15962240, 16776640, 20551384, 23487296, 25689230, 29359120, 33553280, 41102768, 46974592, 51378460, 58718240, 82205536, 102756920, 117436480, 164411072, 205513840, 234872960, 328822144, 411027680, 822055360, 1644110720]

約数ペア:

[(1, 1644110720), (2, 822055360), (4, 411027680), (5, 328822144), (7, 234872960), (8, 205513840), (10, 164411072), (14, 117436480), (16, 102756920), (20, 82205536), (28, 58718240), (32, 51378460), (35, 46974592), (40, 41102768), (49, 33553280), (56, 29359120), (64, 25689230), (70, 23487296), (80, 20551384), (98, 16776640), (103, 15962240), (112, 14679560), (128, 12844615), (140, 11743648), (160, 10275692), (196, 8388320), (206, 7981120), (224, 7339780), (245, 6710656), (280, 5871824), (320, 5137846), (392, 4194160), (412, 3990560), (448, 3669890), (490, 3355328), (509, 3230080), (515, 3192448), (560, 2935912), (640, 2568923), (721, 2280320), (784, 2097080), (824, 1995280), (896, 1834945), (980, 1677664), (1018, 1615040), (1030, 1596224), (1120, 1467956), (1442, 1140160), (1568, 1048540), (1648, 997640), (1960, 838832), (2036, 807520), (2060, 798112), (2240, 733978), (2545, 646016), (2884, 570080), (3136, 524270), (3296, 498820), (3563, 461440), (3605, 456064), (3920, 419416), (4072, 403760), (4120, 399056), (4480, 366989), (5047, 325760), (5090, 323008), (5768, 285040), (6272, 262135), (6592, 249410), (7126, 230720), (7210, 228032), (7840, 209708), (8144, 201880), (8240, 199528), (10094, 162880), (10180, 161504), (11536, 142520), (13184, 124705), (14252, 115360), (14420, 114016), (15680, 104854), (16288, 100940), (16480, 99764), (17815, 92288), (20188, 81440), (20360, 80752), (23072, 71260), (24941, 65920), (25235, 65152), (28504, 57680), (28840, 57008), (31360, 52427), (32576, 50470), (32960, 49882), (35630, 46144), (40376, 40720)]