639657216

素因数分解:

$2^8\times 3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 288

約数和(自身を含む): 2119219200

約数和(自身を除く): 1479561984

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 47, 48, 54, 64, 66, 72, 88, 94, 96, 99, 108, 128, 132, 141, 144, 176, 179, 188, 192, 198, 216, 256, 264, 282, 288, 297, 352, 358, 376, 384, 396, 423, 432, 517, 528, 537, 564, 576, 594, 704, 716, 752, 768, 792, 846, 864, 1034, 1056, 1074, 1128, 1152, 1188, 1269, 1408, 1432, 1504, 1551, 1584, 1611, 1692, 1728, 1969, 2068, 2112, 2148, 2256, 2304, 2376, 2538, 2816, 2864, 3008, 3102, 3168, 3222, 3384, 3456, 3938, 4136, 4224, 4296, 4512, 4653, 4752, 4833, 5076, 5728, 5907, 6016, 6204, 6336, 6444, 6768, 6912, 7876, 8272, 8413, 8448, 8592, 9024, 9306, 9504, 9666, 10152, 11456, 11814, 12032, 12408, 12672, 12888, 13536, 13959, 15752, 16544, 16826, 17184, 17721, 18048, 18612, 19008, 19332, 20304, 22912, 23628, 24816, 25239, 25344, 25776, 27072, 27918, 31504, 33088, 33652, 34368, 35442, 36096, 37224, 38016, 38664, 40608, 45824, 47256, 49632, 50478, 51552, 53163, 54144, 55836, 63008, 66176, 67304, 68736, 70884, 74448, 75717, 76032, 77328, 81216, 92543, 94512, 99264, 100956, 103104, 106326, 108288, 111672, 126016, 132352, 134608, 137472, 141768, 148896, 151434, 154656, 162432, 185086, 189024, 198528, 201912, 206208, 212652, 223344, 227151, 252032, 269216, 277629, 283536, 297792, 302868, 309312, 324864, 370172, 378048, 397056, 403824, 412416, 425304, 446688, 454302, 504064, 538432, 555258, 567072, 595584, 605736, 618624, 740344, 756096, 807648, 832887, 850608, 893376, 908604, 1076864, 1110516, 1134144, 1191168, 1211472, 1237248, 1480688, 1512192, 1615296, 1665774, 1701216, 1786752, 1817208, 2153728, 2221032, 2268288, 2422944, 2498661, 2961376, 3230592, 3331548, 3402432, 3573504, 3634416, 4442064, 4536576, 4845888, 4997322, 5922752, 6461184, 6663096, 6804864, 7268832, 8884128, 9691776, 9994644, 11845504, 13326192, 13609728, 14537664, 17768256, 19383552, 19989288, 23691008, 26652384, 29075328, 35536512, 39978576, 53304768, 58150656, 71073024, 79957152, 106609536, 159914304, 213219072, 319828608, 639657216]

約数ペア:

[(1, 639657216), (2, 319828608), (3, 213219072), (4, 159914304), (6, 106609536), (8, 79957152), (9, 71073024), (11, 58150656), (12, 53304768), (16, 39978576), (18, 35536512), (22, 29075328), (24, 26652384), (27, 23691008), (32, 19989288), (33, 19383552), (36, 17768256), (44, 14537664), (47, 13609728), (48, 13326192), (54, 11845504), (64, 9994644), (66, 9691776), (72, 8884128), (88, 7268832), (94, 6804864), (96, 6663096), (99, 6461184), (108, 5922752), (128, 4997322), (132, 4845888), (141, 4536576), (144, 4442064), (176, 3634416), (179, 3573504), (188, 3402432), (192, 3331548), (198, 3230592), (216, 2961376), (256, 2498661), (264, 2422944), (282, 2268288), (288, 2221032), (297, 2153728), (352, 1817208), (358, 1786752), (376, 1701216), (384, 1665774), (396, 1615296), (423, 1512192), (432, 1480688), (517, 1237248), (528, 1211472), (537, 1191168), (564, 1134144), (576, 1110516), (594, 1076864), (704, 908604), (716, 893376), (752, 850608), (768, 832887), (792, 807648), (846, 756096), (864, 740344), (1034, 618624), (1056, 605736), (1074, 595584), (1128, 567072), (1152, 555258), (1188, 538432), (1269, 504064), (1408, 454302), (1432, 446688), (1504, 425304), (1551, 412416), (1584, 403824), (1611, 397056), (1692, 378048), (1728, 370172), (1969, 324864), (2068, 309312), (2112, 302868), (2148, 297792), (2256, 283536), (2304, 277629), (2376, 269216), (2538, 252032), (2816, 227151), (2864, 223344), (3008, 212652), (3102, 206208), (3168, 201912), (3222, 198528), (3384, 189024), (3456, 185086), (3938, 162432), (4136, 154656), (4224, 151434), (4296, 148896), (4512, 141768), (4653, 137472), (4752, 134608), (4833, 132352), (5076, 126016), (5728, 111672), (5907, 108288), (6016, 106326), (6204, 103104), (6336, 100956), (6444, 99264), (6768, 94512), (6912, 92543), (7876, 81216), (8272, 77328), (8413, 76032), (8448, 75717), (8592, 74448), (9024, 70884), (9306, 68736), (9504, 67304), (9666, 66176), (10152, 63008), (11456, 55836), (11814, 54144), (12032, 53163), (12408, 51552), (12672, 50478), (12888, 49632), (13536, 47256), (13959, 45824), (15752, 40608), (16544, 38664), (16826, 38016), (17184, 37224), (17721, 36096), (18048, 35442), (18612, 34368), (19008, 33652), (19332, 33088), (20304, 31504), (22912, 27918), (23628, 27072), (24816, 25776), (25239, 25344)]