1999648728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{479}}^1$

素因数の和:763

約数の個数: 256

約数和(自身を含む): 6967296000

約数和(自身を除く): 4967647272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 251, 252, 264, 297, 308, 378, 396, 462, 479, 502, 504, 594, 616, 693, 753, 756, 792, 924, 958, 1004, 1188, 1386, 1437, 1506, 1512, 1757, 1848, 1916, 2008, 2079, 2259, 2376, 2761, 2772, 2874, 3012, 3353, 3514, 3832, 4158, 4311, 4518, 5269, 5271, 5522, 5544, 5748, 6024, 6706, 6777, 7028, 8283, 8316, 8622, 9036, 10059, 10538, 10542, 11044, 11496, 12933, 13412, 13554, 14056, 15807, 15813, 16566, 16632, 17244, 18072, 19327, 20118, 21076, 21084, 22088, 24849, 25866, 26824, 27108, 30177, 31614, 31626, 33132, 34488, 36883, 38654, 40236, 42152, 42168, 47421, 47439, 49698, 51732, 54216, 57981, 60354, 63228, 63252, 66264, 73766, 74547, 77308, 80472, 90531, 94842, 94878, 99396, 103464, 110649, 115962, 120229, 120708, 126456, 126504, 142263, 147532, 149094, 154616, 173943, 181062, 189684, 189756, 198792, 221298, 231924, 240458, 241416, 284526, 295064, 298188, 331947, 347886, 360687, 362124, 379368, 379512, 442596, 463848, 480916, 521829, 569052, 596376, 663894, 695772, 721374, 724248, 841603, 885192, 961832, 995841, 1043658, 1082061, 1138104, 1322519, 1327788, 1391544, 1442748, 1683206, 1991682, 2087316, 2164122, 2524809, 2645038, 2655576, 2885496, 3246183, 3366412, 3967557, 3983364, 4174632, 4328244, 5049618, 5290076, 6492366, 6732824, 7574427, 7935114, 7966728, 8656488, 9257633, 10099236, 10580152, 11902671, 12984732, 15148854, 15870228, 18515266, 20198472, 22723281, 23805342, 25969464, 27772899, 30297708, 31740456, 35708013, 37030532, 45446562, 47610684, 55545798, 60595416, 71416026, 74061064, 83318697, 90893124, 95221368, 111091596, 142832052, 166637394, 181786248, 222183192, 249956091, 285664104, 333274788, 499912182, 666549576, 999824364, 1999648728]

約数ペア:

[(1, 1999648728), (2, 999824364), (3, 666549576), (4, 499912182), (6, 333274788), (7, 285664104), (8, 249956091), (9, 222183192), (11, 181786248), (12, 166637394), (14, 142832052), (18, 111091596), (21, 95221368), (22, 90893124), (24, 83318697), (27, 74061064), (28, 71416026), (33, 60595416), (36, 55545798), (42, 47610684), (44, 45446562), (54, 37030532), (56, 35708013), (63, 31740456), (66, 30297708), (72, 27772899), (77, 25969464), (84, 23805342), (88, 22723281), (99, 20198472), (108, 18515266), (126, 15870228), (132, 15148854), (154, 12984732), (168, 11902671), (189, 10580152), (198, 10099236), (216, 9257633), (231, 8656488), (251, 7966728), (252, 7935114), (264, 7574427), (297, 6732824), (308, 6492366), (378, 5290076), (396, 5049618), (462, 4328244), (479, 4174632), (502, 3983364), (504, 3967557), (594, 3366412), (616, 3246183), (693, 2885496), (753, 2655576), (756, 2645038), (792, 2524809), (924, 2164122), (958, 2087316), (1004, 1991682), (1188, 1683206), (1386, 1442748), (1437, 1391544), (1506, 1327788), (1512, 1322519), (1757, 1138104), (1848, 1082061), (1916, 1043658), (2008, 995841), (2079, 961832), (2259, 885192), (2376, 841603), (2761, 724248), (2772, 721374), (2874, 695772), (3012, 663894), (3353, 596376), (3514, 569052), (3832, 521829), (4158, 480916), (4311, 463848), (4518, 442596), (5269, 379512), (5271, 379368), (5522, 362124), (5544, 360687), (5748, 347886), (6024, 331947), (6706, 298188), (6777, 295064), (7028, 284526), (8283, 241416), (8316, 240458), (8622, 231924), (9036, 221298), (10059, 198792), (10538, 189756), (10542, 189684), (11044, 181062), (11496, 173943), (12933, 154616), (13412, 149094), (13554, 147532), (14056, 142263), (15807, 126504), (15813, 126456), (16566, 120708), (16632, 120229), (17244, 115962), (18072, 110649), (19327, 103464), (20118, 99396), (21076, 94878), (21084, 94842), (22088, 90531), (24849, 80472), (25866, 77308), (26824, 74547), (27108, 73766), (30177, 66264), (31614, 63252), (31626, 63228), (33132, 60354), (34488, 57981), (36883, 54216), (38654, 51732), (40236, 49698), (42152, 47439), (42168, 47421)]