639173376

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 288

約数和(自身を含む): 2066892800

約数和(自身を除く): 1427719424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 93, 96, 108, 114, 124, 128, 144, 152, 157, 171, 186, 192, 216, 228, 248, 256, 279, 288, 304, 314, 342, 372, 384, 432, 456, 471, 496, 513, 558, 576, 589, 608, 628, 684, 744, 768, 837, 864, 912, 942, 992, 1026, 1116, 1152, 1178, 1216, 1256, 1368, 1413, 1488, 1674, 1728, 1767, 1824, 1884, 1984, 2052, 2232, 2304, 2356, 2432, 2512, 2736, 2826, 2976, 2983, 3348, 3456, 3534, 3648, 3768, 3968, 4104, 4239, 4464, 4712, 4864, 4867, 5024, 5301, 5472, 5652, 5952, 5966, 6696, 6912, 7068, 7296, 7536, 7936, 8208, 8478, 8928, 8949, 9424, 9734, 10048, 10602, 10944, 11304, 11904, 11932, 13392, 14136, 14592, 14601, 15072, 15903, 16416, 16956, 17856, 17898, 18848, 19468, 20096, 21204, 21888, 22608, 23808, 23864, 26784, 26847, 28272, 29202, 30144, 31806, 32832, 33912, 35712, 35796, 37696, 38936, 40192, 42408, 43776, 43803, 45216, 47728, 53568, 53694, 56544, 58404, 60288, 63612, 65664, 67824, 71424, 71592, 75392, 77872, 80541, 84816, 87606, 90432, 92473, 95456, 107136, 107388, 113088, 116808, 120576, 127224, 131328, 131409, 135648, 143184, 150784, 155744, 161082, 169632, 175212, 180864, 184946, 190912, 214272, 214776, 226176, 233616, 254448, 262818, 271296, 277419, 286368, 311488, 322164, 339264, 350424, 361728, 369892, 381824, 429552, 452352, 467232, 508896, 525636, 542592, 554838, 572736, 622976, 644328, 678528, 700848, 739784, 763648, 832257, 859104, 934464, 1017792, 1051272, 1085184, 1109676, 1145472, 1245952, 1288656, 1357056, 1401696, 1479568, 1664514, 1718208, 1868928, 2035584, 2102544, 2219352, 2290944, 2496771, 2577312, 2803392, 2959136, 3329028, 3436416, 3737856, 4071168, 4205088, 4438704, 4993542, 5154624, 5606784, 5918272, 6658056, 6872832, 8410176, 8877408, 9987084, 10309248, 11213568, 11836544, 13316112, 16820352, 17754816, 19974168, 20618496, 23673088, 26632224, 33640704, 35509632, 39948336, 53264448, 71019264, 79896672, 106528896, 159793344, 213057792, 319586688, 639173376]

約数ペア:

[(1, 639173376), (2, 319586688), (3, 213057792), (4, 159793344), (6, 106528896), (8, 79896672), (9, 71019264), (12, 53264448), (16, 39948336), (18, 35509632), (19, 33640704), (24, 26632224), (27, 23673088), (31, 20618496), (32, 19974168), (36, 17754816), (38, 16820352), (48, 13316112), (54, 11836544), (57, 11213568), (62, 10309248), (64, 9987084), (72, 8877408), (76, 8410176), (93, 6872832), (96, 6658056), (108, 5918272), (114, 5606784), (124, 5154624), (128, 4993542), (144, 4438704), (152, 4205088), (157, 4071168), (171, 3737856), (186, 3436416), (192, 3329028), (216, 2959136), (228, 2803392), (248, 2577312), (256, 2496771), (279, 2290944), (288, 2219352), (304, 2102544), (314, 2035584), (342, 1868928), (372, 1718208), (384, 1664514), (432, 1479568), (456, 1401696), (471, 1357056), (496, 1288656), (513, 1245952), (558, 1145472), (576, 1109676), (589, 1085184), (608, 1051272), (628, 1017792), (684, 934464), (744, 859104), (768, 832257), (837, 763648), (864, 739784), (912, 700848), (942, 678528), (992, 644328), (1026, 622976), (1116, 572736), (1152, 554838), (1178, 542592), (1216, 525636), (1256, 508896), (1368, 467232), (1413, 452352), (1488, 429552), (1674, 381824), (1728, 369892), (1767, 361728), (1824, 350424), (1884, 339264), (1984, 322164), (2052, 311488), (2232, 286368), (2304, 277419), (2356, 271296), (2432, 262818), (2512, 254448), (2736, 233616), (2826, 226176), (2976, 214776), (2983, 214272), (3348, 190912), (3456, 184946), (3534, 180864), (3648, 175212), (3768, 169632), (3968, 161082), (4104, 155744), (4239, 150784), (4464, 143184), (4712, 135648), (4864, 131409), (4867, 131328), (5024, 127224), (5301, 120576), (5472, 116808), (5652, 113088), (5952, 107388), (5966, 107136), (6696, 95456), (6912, 92473), (7068, 90432), (7296, 87606), (7536, 84816), (7936, 80541), (8208, 77872), (8478, 75392), (8928, 71592), (8949, 71424), (9424, 67824), (9734, 65664), (10048, 63612), (10602, 60288), (10944, 58404), (11304, 56544), (11904, 53694), (11932, 53568), (13392, 47728), (14136, 45216), (14592, 43803), (14601, 43776), (15072, 42408), (15903, 40192), (16416, 38936), (16956, 37696), (17856, 35796), (17898, 35712), (18848, 33912), (19468, 32832), (20096, 31806), (21204, 30144), (21888, 29202), (22608, 28272), (23808, 26847), (23864, 26784)]