821240784

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1327

約数の個数: 240

約数和(自身を含む): 2888704000

約数和(自身を除く): 2067463216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 234, 252, 273, 294, 312, 336, 343, 364, 392, 441, 468, 504, 546, 588, 624, 637, 686, 728, 784, 819, 882, 936, 1008, 1029, 1092, 1176, 1274, 1279, 1372, 1456, 1638, 1764, 1872, 1911, 2058, 2184, 2352, 2548, 2558, 2744, 3087, 3276, 3528, 3822, 3837, 4116, 4368, 4459, 5096, 5116, 5488, 5733, 6174, 6552, 7056, 7644, 7674, 8232, 8918, 8953, 10192, 10232, 11466, 11511, 12348, 13104, 13377, 15288, 15348, 16464, 16627, 17836, 17906, 20464, 22932, 23022, 24696, 26754, 26859, 30576, 30696, 33254, 35672, 35812, 40131, 45864, 46044, 49392, 49881, 53508, 53718, 61392, 62671, 66508, 71344, 71624, 80262, 80577, 91728, 92088, 99762, 107016, 107436, 116389, 125342, 133016, 143248, 149643, 160524, 161154, 184176, 188013, 199524, 214032, 214872, 232778, 250684, 266032, 299286, 321048, 322308, 349167, 376026, 399048, 429744, 438697, 465556, 501368, 564039, 598572, 642096, 644616, 698334, 752052, 798096, 814723, 877394, 931112, 1002736, 1047501, 1128078, 1197144, 1289232, 1316091, 1396668, 1504104, 1629446, 1754788, 1862224, 2095002, 2256156, 2394288, 2444169, 2632182, 2793336, 3008208, 3258892, 3509576, 3948273, 4190004, 4512312, 4888338, 5264364, 5586672, 5703061, 6517784, 7019152, 7332507, 7896546, 8380008, 9024624, 9776676, 10528728, 11406122, 13035568, 14665014, 15793092, 16760016, 17109183, 19553352, 21057456, 22812244, 29330028, 31586184, 34218366, 39106704, 45624488, 51327549, 58660056, 63172368, 68436732, 91248976, 102655098, 117320112, 136873464, 205310196, 273746928, 410620392, 821240784]

約数ペア:

[(1, 821240784), (2, 410620392), (3, 273746928), (4, 205310196), (6, 136873464), (7, 117320112), (8, 102655098), (9, 91248976), (12, 68436732), (13, 63172368), (14, 58660056), (16, 51327549), (18, 45624488), (21, 39106704), (24, 34218366), (26, 31586184), (28, 29330028), (36, 22812244), (39, 21057456), (42, 19553352), (48, 17109183), (49, 16760016), (52, 15793092), (56, 14665014), (63, 13035568), (72, 11406122), (78, 10528728), (84, 9776676), (91, 9024624), (98, 8380008), (104, 7896546), (112, 7332507), (117, 7019152), (126, 6517784), (144, 5703061), (147, 5586672), (156, 5264364), (168, 4888338), (182, 4512312), (196, 4190004), (208, 3948273), (234, 3509576), (252, 3258892), (273, 3008208), (294, 2793336), (312, 2632182), (336, 2444169), (343, 2394288), (364, 2256156), (392, 2095002), (441, 1862224), (468, 1754788), (504, 1629446), (546, 1504104), (588, 1396668), (624, 1316091), (637, 1289232), (686, 1197144), (728, 1128078), (784, 1047501), (819, 1002736), (882, 931112), (936, 877394), (1008, 814723), (1029, 798096), (1092, 752052), (1176, 698334), (1274, 644616), (1279, 642096), (1372, 598572), (1456, 564039), (1638, 501368), (1764, 465556), (1872, 438697), (1911, 429744), (2058, 399048), (2184, 376026), (2352, 349167), (2548, 322308), (2558, 321048), (2744, 299286), (3087, 266032), (3276, 250684), (3528, 232778), (3822, 214872), (3837, 214032), (4116, 199524), (4368, 188013), (4459, 184176), (5096, 161154), (5116, 160524), (5488, 149643), (5733, 143248), (6174, 133016), (6552, 125342), (7056, 116389), (7644, 107436), (7674, 107016), (8232, 99762), (8918, 92088), (8953, 91728), (10192, 80577), (10232, 80262), (11466, 71624), (11511, 71344), (12348, 66508), (13104, 62671), (13377, 61392), (15288, 53718), (15348, 53508), (16464, 49881), (16627, 49392), (17836, 46044), (17906, 45864), (20464, 40131), (22932, 35812), (23022, 35672), (24696, 33254), (26754, 30696), (26859, 30576)]