204715728

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 240

約数和(自身を含む): 720936000

約数和(自身を除く): 516220272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 112, 114, 126, 133, 144, 147, 152, 168, 171, 189, 196, 216, 228, 252, 266, 294, 304, 336, 342, 378, 392, 399, 432, 441, 456, 504, 509, 513, 532, 588, 684, 756, 784, 798, 882, 912, 931, 1008, 1018, 1026, 1064, 1176, 1197, 1323, 1368, 1512, 1527, 1596, 1764, 1862, 2036, 2052, 2128, 2352, 2394, 2646, 2736, 2793, 3024, 3054, 3192, 3528, 3563, 3591, 3724, 4072, 4104, 4581, 4788, 5292, 5586, 6108, 6384, 7056, 7126, 7182, 7448, 8144, 8208, 8379, 9162, 9576, 9671, 10584, 10689, 11172, 12216, 13743, 14252, 14364, 14896, 16758, 18324, 19152, 19342, 21168, 21378, 22344, 24432, 24941, 25137, 27486, 28504, 28728, 29013, 32067, 33516, 36648, 38684, 42756, 44688, 49882, 50274, 54972, 57008, 57456, 58026, 64134, 67032, 67697, 73296, 74823, 77368, 85512, 87039, 96201, 99764, 100548, 109944, 116052, 128268, 134064, 135394, 149646, 154736, 171024, 174078, 192402, 199528, 201096, 203091, 219888, 224469, 232104, 256536, 261117, 270788, 299292, 348156, 384804, 399056, 402192, 406182, 448938, 464208, 473879, 513072, 522234, 541576, 598584, 609273, 673407, 696312, 769608, 812364, 897876, 947758, 1044468, 1083152, 1197168, 1218546, 1346814, 1392624, 1421637, 1539216, 1624728, 1795752, 1827819, 1895516, 2088936, 2437092, 2693628, 2843274, 3249456, 3591504, 3655638, 3791032, 4177872, 4264911, 4874184, 5387256, 5686548, 7311276, 7582064, 8529822, 9748368, 10774512, 11373096, 12794733, 14622552, 17059644, 22746192, 25589466, 29245104, 34119288, 51178932, 68238576, 102357864, 204715728]

約数ペア:

[(1, 204715728), (2, 102357864), (3, 68238576), (4, 51178932), (6, 34119288), (7, 29245104), (8, 25589466), (9, 22746192), (12, 17059644), (14, 14622552), (16, 12794733), (18, 11373096), (19, 10774512), (21, 9748368), (24, 8529822), (27, 7582064), (28, 7311276), (36, 5686548), (38, 5387256), (42, 4874184), (48, 4264911), (49, 4177872), (54, 3791032), (56, 3655638), (57, 3591504), (63, 3249456), (72, 2843274), (76, 2693628), (84, 2437092), (98, 2088936), (108, 1895516), (112, 1827819), (114, 1795752), (126, 1624728), (133, 1539216), (144, 1421637), (147, 1392624), (152, 1346814), (168, 1218546), (171, 1197168), (189, 1083152), (196, 1044468), (216, 947758), (228, 897876), (252, 812364), (266, 769608), (294, 696312), (304, 673407), (336, 609273), (342, 598584), (378, 541576), (392, 522234), (399, 513072), (432, 473879), (441, 464208), (456, 448938), (504, 406182), (509, 402192), (513, 399056), (532, 384804), (588, 348156), (684, 299292), (756, 270788), (784, 261117), (798, 256536), (882, 232104), (912, 224469), (931, 219888), (1008, 203091), (1018, 201096), (1026, 199528), (1064, 192402), (1176, 174078), (1197, 171024), (1323, 154736), (1368, 149646), (1512, 135394), (1527, 134064), (1596, 128268), (1764, 116052), (1862, 109944), (2036, 100548), (2052, 99764), (2128, 96201), (2352, 87039), (2394, 85512), (2646, 77368), (2736, 74823), (2793, 73296), (3024, 67697), (3054, 67032), (3192, 64134), (3528, 58026), (3563, 57456), (3591, 57008), (3724, 54972), (4072, 50274), (4104, 49882), (4581, 44688), (4788, 42756), (5292, 38684), (5586, 36648), (6108, 33516), (6384, 32067), (7056, 29013), (7126, 28728), (7182, 28504), (7448, 27486), (8144, 25137), (8208, 24941), (8379, 24432), (9162, 22344), (9576, 21378), (9671, 21168), (10584, 19342), (10689, 19152), (11172, 18324), (12216, 16758), (13743, 14896), (14252, 14364)]