221770080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 288

約数和(自身を含む): 884520000

約数和(自身を除く): 662749920

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 441, 449, 480, 490, 504, 560, 588, 630, 672, 686, 720, 735, 784, 840, 882, 898, 980, 1008, 1029, 1120, 1176, 1260, 1347, 1372, 1440, 1470, 1568, 1680, 1715, 1764, 1796, 1960, 2016, 2058, 2205, 2245, 2352, 2520, 2694, 2744, 2940, 3087, 3143, 3360, 3430, 3528, 3592, 3920, 4041, 4116, 4410, 4490, 4704, 5040, 5145, 5388, 5488, 5880, 6174, 6286, 6735, 6860, 7056, 7184, 7840, 8082, 8232, 8820, 8980, 9429, 10080, 10290, 10776, 10976, 11760, 12348, 12572, 13470, 13720, 14112, 14368, 15435, 15715, 16164, 16464, 17640, 17960, 18858, 20205, 20580, 21552, 22001, 23520, 24696, 25144, 26940, 27440, 28287, 30870, 31430, 32328, 32928, 35280, 35920, 37716, 40410, 41160, 43104, 44002, 47145, 49392, 50288, 53880, 54880, 56574, 61740, 62860, 64656, 66003, 70560, 71840, 75432, 80820, 82320, 88004, 94290, 98784, 100576, 107760, 110005, 113148, 123480, 125720, 129312, 132006, 141435, 150864, 154007, 161640, 164640, 176008, 188580, 198009, 215520, 220010, 226296, 246960, 251440, 264012, 282870, 301728, 308014, 323280, 330015, 352016, 377160, 396018, 440020, 452592, 462021, 493920, 502880, 528024, 565740, 616028, 646560, 660030, 704032, 754320, 770035, 792036, 880040, 905184, 924042, 990045, 1056048, 1131480, 1232056, 1320060, 1386063, 1508640, 1540070, 1584072, 1760080, 1848084, 1980090, 2112096, 2262960, 2310105, 2464112, 2640120, 2772126, 3080140, 3168144, 3520160, 3696168, 3960180, 4525920, 4620210, 4928224, 5280240, 5544252, 6160280, 6336288, 6930315, 7392336, 7920360, 9240420, 10560480, 11088504, 12320560, 13860630, 14784672, 15840720, 18480840, 22177008, 24641120, 27721260, 31681440, 36961680, 44354016, 55442520, 73923360, 110885040, 221770080]

約数ペア:

[(1, 221770080), (2, 110885040), (3, 73923360), (4, 55442520), (5, 44354016), (6, 36961680), (7, 31681440), (8, 27721260), (9, 24641120), (10, 22177008), (12, 18480840), (14, 15840720), (15, 14784672), (16, 13860630), (18, 12320560), (20, 11088504), (21, 10560480), (24, 9240420), (28, 7920360), (30, 7392336), (32, 6930315), (35, 6336288), (36, 6160280), (40, 5544252), (42, 5280240), (45, 4928224), (48, 4620210), (49, 4525920), (56, 3960180), (60, 3696168), (63, 3520160), (70, 3168144), (72, 3080140), (80, 2772126), (84, 2640120), (90, 2464112), (96, 2310105), (98, 2262960), (105, 2112096), (112, 1980090), (120, 1848084), (126, 1760080), (140, 1584072), (144, 1540070), (147, 1508640), (160, 1386063), (168, 1320060), (180, 1232056), (196, 1131480), (210, 1056048), (224, 990045), (240, 924042), (245, 905184), (252, 880040), (280, 792036), (288, 770035), (294, 754320), (315, 704032), (336, 660030), (343, 646560), (360, 616028), (392, 565740), (420, 528024), (441, 502880), (449, 493920), (480, 462021), (490, 452592), (504, 440020), (560, 396018), (588, 377160), (630, 352016), (672, 330015), (686, 323280), (720, 308014), (735, 301728), (784, 282870), (840, 264012), (882, 251440), (898, 246960), (980, 226296), (1008, 220010), (1029, 215520), (1120, 198009), (1176, 188580), (1260, 176008), (1347, 164640), (1372, 161640), (1440, 154007), (1470, 150864), (1568, 141435), (1680, 132006), (1715, 129312), (1764, 125720), (1796, 123480), (1960, 113148), (2016, 110005), (2058, 107760), (2205, 100576), (2245, 98784), (2352, 94290), (2520, 88004), (2694, 82320), (2744, 80820), (2940, 75432), (3087, 71840), (3143, 70560), (3360, 66003), (3430, 64656), (3528, 62860), (3592, 61740), (3920, 56574), (4041, 54880), (4116, 53880), (4410, 50288), (4490, 49392), (4704, 47145), (5040, 44002), (5145, 43104), (5388, 41160), (5488, 40410), (5880, 37716), (6174, 35920), (6286, 35280), (6735, 32928), (6860, 32328), (7056, 31430), (7184, 30870), (7840, 28287), (8082, 27440), (8232, 26940), (8820, 25144), (8980, 24696), (9429, 23520), (10080, 22001), (10290, 21552), (10776, 20580), (10976, 20205), (11760, 18858), (12348, 17960), (12572, 17640), (13470, 16464), (13720, 16164), (14112, 15715), (14368, 15435)]