668419584

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 240

約数和(自身を含む): 2115989568

約数和(自身を除く): 1447569984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 83, 84, 96, 98, 107, 112, 128, 147, 166, 168, 192, 196, 214, 224, 249, 256, 294, 321, 332, 336, 384, 392, 428, 448, 498, 512, 581, 588, 642, 664, 672, 749, 768, 784, 856, 896, 996, 1162, 1176, 1284, 1328, 1344, 1498, 1536, 1568, 1712, 1743, 1792, 1992, 2247, 2324, 2352, 2568, 2656, 2688, 2996, 3136, 3424, 3486, 3584, 3984, 4067, 4494, 4648, 4704, 5136, 5243, 5312, 5376, 5992, 6272, 6848, 6972, 7968, 8134, 8881, 8988, 9296, 9408, 10272, 10486, 10624, 10752, 11984, 12201, 12544, 13696, 13944, 15729, 15936, 16268, 17762, 17976, 18592, 18816, 20544, 20972, 21248, 23968, 24402, 25088, 26643, 27392, 27888, 31458, 31872, 32536, 35524, 35952, 37184, 37632, 41088, 41944, 42496, 47936, 48804, 53286, 54784, 55776, 62167, 62916, 63744, 65072, 71048, 71904, 74368, 75264, 82176, 83888, 95872, 97608, 106572, 111552, 124334, 125832, 127488, 130144, 142096, 143808, 148736, 164352, 167776, 186501, 191744, 195216, 213144, 223104, 248668, 251664, 260288, 284192, 287616, 297472, 335552, 373002, 383488, 390432, 426288, 435169, 446208, 497336, 503328, 520576, 568384, 575232, 671104, 746004, 780864, 852576, 870338, 892416, 994672, 1006656, 1041152, 1136768, 1150464, 1305507, 1342208, 1492008, 1561728, 1705152, 1740676, 1989344, 2013312, 2082304, 2273536, 2611014, 2684416, 2984016, 3123456, 3410304, 3481352, 3978688, 4026624, 4547072, 5222028, 5968032, 6246912, 6820608, 6962704, 7957376, 8053248, 10444056, 11936064, 13641216, 13925408, 15914752, 20888112, 23872128, 27850816, 31829504, 41776224, 47744256, 55701632, 83552448, 95488512, 111403264, 167104896, 222806528, 334209792, 668419584]

約数ペア:

[(1, 668419584), (2, 334209792), (3, 222806528), (4, 167104896), (6, 111403264), (7, 95488512), (8, 83552448), (12, 55701632), (14, 47744256), (16, 41776224), (21, 31829504), (24, 27850816), (28, 23872128), (32, 20888112), (42, 15914752), (48, 13925408), (49, 13641216), (56, 11936064), (64, 10444056), (83, 8053248), (84, 7957376), (96, 6962704), (98, 6820608), (107, 6246912), (112, 5968032), (128, 5222028), (147, 4547072), (166, 4026624), (168, 3978688), (192, 3481352), (196, 3410304), (214, 3123456), (224, 2984016), (249, 2684416), (256, 2611014), (294, 2273536), (321, 2082304), (332, 2013312), (336, 1989344), (384, 1740676), (392, 1705152), (428, 1561728), (448, 1492008), (498, 1342208), (512, 1305507), (581, 1150464), (588, 1136768), (642, 1041152), (664, 1006656), (672, 994672), (749, 892416), (768, 870338), (784, 852576), (856, 780864), (896, 746004), (996, 671104), (1162, 575232), (1176, 568384), (1284, 520576), (1328, 503328), (1344, 497336), (1498, 446208), (1536, 435169), (1568, 426288), (1712, 390432), (1743, 383488), (1792, 373002), (1992, 335552), (2247, 297472), (2324, 287616), (2352, 284192), (2568, 260288), (2656, 251664), (2688, 248668), (2996, 223104), (3136, 213144), (3424, 195216), (3486, 191744), (3584, 186501), (3984, 167776), (4067, 164352), (4494, 148736), (4648, 143808), (4704, 142096), (5136, 130144), (5243, 127488), (5312, 125832), (5376, 124334), (5992, 111552), (6272, 106572), (6848, 97608), (6972, 95872), (7968, 83888), (8134, 82176), (8881, 75264), (8988, 74368), (9296, 71904), (9408, 71048), (10272, 65072), (10486, 63744), (10624, 62916), (10752, 62167), (11984, 55776), (12201, 54784), (12544, 53286), (13696, 48804), (13944, 47936), (15729, 42496), (15936, 41944), (16268, 41088), (17762, 37632), (17976, 37184), (18592, 35952), (18816, 35524), (20544, 32536), (20972, 31872), (21248, 31458), (23968, 27888), (24402, 27392), (25088, 26643)]