257500320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6967}}^1$

素因数の和:7003

約数の個数: 192

約数和(自身を含む): 1011419136

約数和(自身を除く): 753918816

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, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1155, 1232, 1320, 1540, 1680, 1760, 1848, 2310, 2464, 2640, 3080, 3360, 3696, 4620, 5280, 6160, 6967, 7392, 9240, 12320, 13934, 18480, 20901, 27868, 34835, 36960, 41802, 48769, 55736, 69670, 76637, 83604, 97538, 104505, 111472, 139340, 146307, 153274, 167208, 195076, 209010, 222944, 229911, 243845, 278680, 292614, 306548, 334416, 383185, 390152, 418020, 459822, 487690, 536459, 557360, 585228, 613096, 668832, 731535, 766370, 780304, 836040, 919644, 975380, 1072918, 1114720, 1149555, 1170456, 1226192, 1463070, 1532740, 1560608, 1609377, 1672080, 1839288, 1950760, 2145836, 2299110, 2340912, 2452384, 2682295, 2926140, 3065480, 3218754, 3344160, 3678576, 3901520, 4291672, 4598220, 4681824, 5364590, 5852280, 6130960, 6437508, 7357152, 7803040, 8046885, 8583344, 9196440, 10729180, 11704560, 12261920, 12875016, 16093770, 17166688, 18392880, 21458360, 23409120, 25750032, 32187540, 36785760, 42916720, 51500064, 64375080, 85833440, 128750160, 257500320]

約数ペア:

[(1, 257500320), (2, 128750160), (3, 85833440), (4, 64375080), (5, 51500064), (6, 42916720), (7, 36785760), (8, 32187540), (10, 25750032), (11, 23409120), (12, 21458360), (14, 18392880), (15, 17166688), (16, 16093770), (20, 12875016), (21, 12261920), (22, 11704560), (24, 10729180), (28, 9196440), (30, 8583344), (32, 8046885), (33, 7803040), (35, 7357152), (40, 6437508), (42, 6130960), (44, 5852280), (48, 5364590), (55, 4681824), (56, 4598220), (60, 4291672), (66, 3901520), (70, 3678576), (77, 3344160), (80, 3218754), (84, 3065480), (88, 2926140), (96, 2682295), (105, 2452384), (110, 2340912), (112, 2299110), (120, 2145836), (132, 1950760), (140, 1839288), (154, 1672080), (160, 1609377), (165, 1560608), (168, 1532740), (176, 1463070), (210, 1226192), (220, 1170456), (224, 1149555), (231, 1114720), (240, 1072918), (264, 975380), (280, 919644), (308, 836040), (330, 780304), (336, 766370), (352, 731535), (385, 668832), (420, 613096), (440, 585228), (462, 557360), (480, 536459), (528, 487690), (560, 459822), (616, 418020), (660, 390152), (672, 383185), (770, 334416), (840, 306548), (880, 292614), (924, 278680), (1056, 243845), (1120, 229911), (1155, 222944), (1232, 209010), (1320, 195076), (1540, 167208), (1680, 153274), (1760, 146307), (1848, 139340), (2310, 111472), (2464, 104505), (2640, 97538), (3080, 83604), (3360, 76637), (3696, 69670), (4620, 55736), (5280, 48769), (6160, 41802), (6967, 36960), (7392, 34835), (9240, 27868), (12320, 20901), (13934, 18480)]