16721565168

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20849}}^1$

素因数の和:20916

約数の個数: 240

約数和(自身を含む): 56589235200

約数和(自身を除く): 39867670032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 33, 42, 44, 48, 49, 56, 62, 66, 77, 84, 88, 93, 98, 112, 124, 132, 147, 154, 168, 176, 186, 196, 217, 231, 248, 264, 294, 308, 336, 341, 372, 392, 434, 462, 496, 528, 539, 588, 616, 651, 682, 744, 784, 868, 924, 1023, 1078, 1176, 1232, 1302, 1364, 1488, 1519, 1617, 1736, 1848, 2046, 2156, 2352, 2387, 2604, 2728, 3038, 3234, 3472, 3696, 4092, 4312, 4557, 4774, 5208, 5456, 6076, 6468, 7161, 8184, 8624, 9114, 9548, 10416, 12152, 12936, 14322, 16368, 16709, 18228, 19096, 20849, 24304, 25872, 28644, 33418, 36456, 38192, 41698, 50127, 57288, 62547, 66836, 72912, 83396, 100254, 114576, 125094, 133672, 145943, 166792, 200508, 229339, 250188, 267344, 291886, 333584, 401016, 437829, 458678, 500376, 583772, 646319, 688017, 802032, 875658, 917356, 1000752, 1021601, 1167544, 1292638, 1376034, 1605373, 1751316, 1834712, 1938957, 2043202, 2335088, 2585276, 2752068, 3064803, 3210746, 3502632, 3669424, 3877914, 4086404, 4524233, 4816119, 5170552, 5504136, 6129606, 6421492, 7005264, 7109509, 7755828, 8172808, 9048466, 9632238, 10341104, 11008272, 11237611, 12259212, 12842984, 13572699, 14219018, 15511656, 16345616, 18096932, 19264476, 21328527, 22475222, 24518424, 25685968, 27145398, 28438036, 31023312, 31669631, 33712833, 36193864, 38528952, 42657054, 44950444, 49036848, 49766563, 54290796, 56876072, 63339262, 67425666, 72387728, 77057904, 85314108, 89900888, 95008893, 99533126, 108581592, 113752144, 126678524, 134851332, 149299689, 170628216, 179801776, 190017786, 199066252, 217163184, 253357048, 269702664, 298599378, 341256432, 348365941, 380035572, 398132504, 506714096, 539405328, 597198756, 696731882, 760071144, 796265008, 1045097823, 1194397512, 1393463764, 1520142288, 2090195646, 2388795024, 2786927528, 4180391292, 5573855056, 8360782584, 16721565168]

約数ペア:

[(1, 16721565168), (2, 8360782584), (3, 5573855056), (4, 4180391292), (6, 2786927528), (7, 2388795024), (8, 2090195646), (11, 1520142288), (12, 1393463764), (14, 1194397512), (16, 1045097823), (21, 796265008), (22, 760071144), (24, 696731882), (28, 597198756), (31, 539405328), (33, 506714096), (42, 398132504), (44, 380035572), (48, 348365941), (49, 341256432), (56, 298599378), (62, 269702664), (66, 253357048), (77, 217163184), (84, 199066252), (88, 190017786), (93, 179801776), (98, 170628216), (112, 149299689), (124, 134851332), (132, 126678524), (147, 113752144), (154, 108581592), (168, 99533126), (176, 95008893), (186, 89900888), (196, 85314108), (217, 77057904), (231, 72387728), (248, 67425666), (264, 63339262), (294, 56876072), (308, 54290796), (336, 49766563), (341, 49036848), (372, 44950444), (392, 42657054), (434, 38528952), (462, 36193864), (496, 33712833), (528, 31669631), (539, 31023312), (588, 28438036), (616, 27145398), (651, 25685968), (682, 24518424), (744, 22475222), (784, 21328527), (868, 19264476), (924, 18096932), (1023, 16345616), (1078, 15511656), (1176, 14219018), (1232, 13572699), (1302, 12842984), (1364, 12259212), (1488, 11237611), (1519, 11008272), (1617, 10341104), (1736, 9632238), (1848, 9048466), (2046, 8172808), (2156, 7755828), (2352, 7109509), (2387, 7005264), (2604, 6421492), (2728, 6129606), (3038, 5504136), (3234, 5170552), (3472, 4816119), (3696, 4524233), (4092, 4086404), (4312, 3877914), (4557, 3669424), (4774, 3502632), (5208, 3210746), (5456, 3064803), (6076, 2752068), (6468, 2585276), (7161, 2335088), (8184, 2043202), (8624, 1938957), (9114, 1834712), (9548, 1751316), (10416, 1605373), (12152, 1376034), (12936, 1292638), (14322, 1167544), (16368, 1021601), (16709, 1000752), (18228, 917356), (19096, 875658), (20849, 802032), (24304, 688017), (25872, 646319), (28644, 583772), (33418, 500376), (36456, 458678), (38192, 437829), (41698, 401016), (50127, 333584), (57288, 291886), (62547, 267344), (66836, 250188), (72912, 229339), (83396, 200508), (100254, 166792), (114576, 145943), (125094, 133672)]