821721888

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 192

約数和(自身を含む): 2603664000

約数和(自身を除く): 1781942112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 149, 156, 208, 216, 234, 288, 298, 312, 351, 416, 432, 447, 468, 491, 596, 624, 702, 864, 894, 936, 982, 1192, 1248, 1341, 1404, 1473, 1788, 1872, 1937, 1964, 2384, 2682, 2808, 2946, 3576, 3744, 3874, 3928, 4023, 4419, 4768, 5364, 5616, 5811, 5892, 6383, 7152, 7748, 7856, 8046, 8838, 10728, 11232, 11622, 11784, 12766, 13257, 14304, 15496, 15712, 16092, 17433, 17676, 19149, 21456, 23244, 23568, 25532, 26514, 30992, 32184, 34866, 35352, 38298, 42912, 46488, 47136, 51064, 52299, 53028, 57447, 61984, 64368, 69732, 70704, 73159, 76596, 92976, 102128, 104598, 106056, 114894, 128736, 139464, 141408, 146318, 153192, 172341, 185952, 204256, 209196, 212112, 219477, 229788, 278928, 292636, 306384, 344682, 418392, 424224, 438954, 459576, 557856, 585272, 612768, 658431, 689364, 836784, 877908, 919152, 951067, 1170544, 1316862, 1378728, 1673568, 1755816, 1838304, 1902134, 1975293, 2341088, 2633724, 2757456, 2853201, 3511632, 3804268, 3950586, 5267448, 5514912, 5706402, 7023264, 7608536, 7901172, 8559603, 10534896, 11412804, 15217072, 15802344, 17119206, 21069792, 22825608, 25678809, 30434144, 31604688, 34238412, 45651216, 51357618, 63209376, 68476824, 91302432, 102715236, 136953648, 205430472, 273907296, 410860944, 821721888]

約数ペア:

[(1, 821721888), (2, 410860944), (3, 273907296), (4, 205430472), (6, 136953648), (8, 102715236), (9, 91302432), (12, 68476824), (13, 63209376), (16, 51357618), (18, 45651216), (24, 34238412), (26, 31604688), (27, 30434144), (32, 25678809), (36, 22825608), (39, 21069792), (48, 17119206), (52, 15802344), (54, 15217072), (72, 11412804), (78, 10534896), (96, 8559603), (104, 7901172), (108, 7608536), (117, 7023264), (144, 5706402), (149, 5514912), (156, 5267448), (208, 3950586), (216, 3804268), (234, 3511632), (288, 2853201), (298, 2757456), (312, 2633724), (351, 2341088), (416, 1975293), (432, 1902134), (447, 1838304), (468, 1755816), (491, 1673568), (596, 1378728), (624, 1316862), (702, 1170544), (864, 951067), (894, 919152), (936, 877908), (982, 836784), (1192, 689364), (1248, 658431), (1341, 612768), (1404, 585272), (1473, 557856), (1788, 459576), (1872, 438954), (1937, 424224), (1964, 418392), (2384, 344682), (2682, 306384), (2808, 292636), (2946, 278928), (3576, 229788), (3744, 219477), (3874, 212112), (3928, 209196), (4023, 204256), (4419, 185952), (4768, 172341), (5364, 153192), (5616, 146318), (5811, 141408), (5892, 139464), (6383, 128736), (7152, 114894), (7748, 106056), (7856, 104598), (8046, 102128), (8838, 92976), (10728, 76596), (11232, 73159), (11622, 70704), (11784, 69732), (12766, 64368), (13257, 61984), (14304, 57447), (15496, 53028), (15712, 52299), (16092, 51064), (17433, 47136), (17676, 46488), (19149, 42912), (21456, 38298), (23244, 35352), (23568, 34866), (25532, 32184), (26514, 30992)]