217472640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1$

素因数の和:1511

約数の個数: 256

約数和(自身を含む): 864829440

約数和(自身を除く): 647356800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1471, 1540, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 2942, 3080, 3360, 3520, 3696, 4224, 4413, 4480, 4620, 4928, 5280, 5884, 6160, 6720, 7040, 7355, 7392, 8826, 9240, 9856, 10297, 10560, 11768, 12320, 13440, 14710, 14784, 16181, 17652, 18480, 20594, 21120, 22065, 23536, 24640, 29420, 29568, 30891, 32362, 35304, 36960, 41188, 44130, 47072, 48543, 49280, 51485, 58840, 61782, 64724, 70608, 73920, 80905, 82376, 88260, 94144, 97086, 102970, 113267, 117680, 123564, 129448, 141216, 147840, 154455, 161810, 164752, 176520, 188288, 194172, 205940, 226534, 235360, 242715, 247128, 258896, 282432, 308910, 323620, 329504, 339801, 353040, 388344, 411880, 453068, 470720, 485430, 494256, 517792, 564864, 566335, 617820, 647240, 659008, 679602, 706080, 776688, 823760, 906136, 941440, 970860, 988512, 1035584, 1132670, 1235640, 1294480, 1318016, 1359204, 1412160, 1553376, 1647520, 1699005, 1812272, 1941720, 1977024, 2071168, 2265340, 2471280, 2588960, 2718408, 2824320, 3106752, 3295040, 3398010, 3624544, 3883440, 3954048, 4530680, 4942560, 5177920, 5436816, 6213504, 6590080, 6796020, 7249088, 7766880, 9061360, 9885120, 10355840, 10873632, 13592040, 14498176, 15533760, 18122720, 19770240, 21747264, 27184080, 31067520, 36245440, 43494528, 54368160, 72490880, 108736320, 217472640]

約数ペア:

[(1, 217472640), (2, 108736320), (3, 72490880), (4, 54368160), (5, 43494528), (6, 36245440), (7, 31067520), (8, 27184080), (10, 21747264), (11, 19770240), (12, 18122720), (14, 15533760), (15, 14498176), (16, 13592040), (20, 10873632), (21, 10355840), (22, 9885120), (24, 9061360), (28, 7766880), (30, 7249088), (32, 6796020), (33, 6590080), (35, 6213504), (40, 5436816), (42, 5177920), (44, 4942560), (48, 4530680), (55, 3954048), (56, 3883440), (60, 3624544), (64, 3398010), (66, 3295040), (70, 3106752), (77, 2824320), (80, 2718408), (84, 2588960), (88, 2471280), (96, 2265340), (105, 2071168), (110, 1977024), (112, 1941720), (120, 1812272), (128, 1699005), (132, 1647520), (140, 1553376), (154, 1412160), (160, 1359204), (165, 1318016), (168, 1294480), (176, 1235640), (192, 1132670), (210, 1035584), (220, 988512), (224, 970860), (231, 941440), (240, 906136), (264, 823760), (280, 776688), (308, 706080), (320, 679602), (330, 659008), (336, 647240), (352, 617820), (384, 566335), (385, 564864), (420, 517792), (440, 494256), (448, 485430), (462, 470720), (480, 453068), (528, 411880), (560, 388344), (616, 353040), (640, 339801), (660, 329504), (672, 323620), (704, 308910), (770, 282432), (840, 258896), (880, 247128), (896, 242715), (924, 235360), (960, 226534), (1056, 205940), (1120, 194172), (1155, 188288), (1232, 176520), (1320, 164752), (1344, 161810), (1408, 154455), (1471, 147840), (1540, 141216), (1680, 129448), (1760, 123564), (1848, 117680), (1920, 113267), (2112, 102970), (2240, 97086), (2310, 94144), (2464, 88260), (2640, 82376), (2688, 80905), (2942, 73920), (3080, 70608), (3360, 64724), (3520, 61782), (3696, 58840), (4224, 51485), (4413, 49280), (4480, 48543), (4620, 47072), (4928, 44130), (5280, 41188), (5884, 36960), (6160, 35304), (6720, 32362), (7040, 30891), (7355, 29568), (7392, 29420), (8826, 24640), (9240, 23536), (9856, 22065), (10297, 21120), (10560, 20594), (11768, 18480), (12320, 17652), (13440, 16181), (14710, 14784)]