648672768

素因数分解:

$2^9\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 240

約数和(自身を含む): 2042726400

約数和(自身を除く): 1394053632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 64, 72, 76, 93, 96, 114, 124, 128, 144, 152, 171, 186, 192, 228, 239, 248, 256, 279, 288, 304, 342, 372, 384, 456, 478, 496, 512, 558, 576, 589, 608, 684, 717, 744, 768, 912, 956, 992, 1116, 1152, 1178, 1216, 1368, 1434, 1488, 1536, 1767, 1824, 1912, 1984, 2151, 2232, 2304, 2356, 2432, 2736, 2868, 2976, 3534, 3648, 3824, 3968, 4302, 4464, 4541, 4608, 4712, 4864, 5301, 5472, 5736, 5952, 7068, 7296, 7409, 7648, 7936, 8604, 8928, 9082, 9424, 9728, 10602, 10944, 11472, 11904, 13623, 14136, 14592, 14818, 15296, 15872, 17208, 17856, 18164, 18848, 21204, 21888, 22227, 22944, 23808, 27246, 28272, 29184, 29636, 30592, 34416, 35712, 36328, 37696, 40869, 42408, 43776, 44454, 45888, 47616, 54492, 56544, 59272, 61184, 66681, 68832, 71424, 72656, 75392, 81738, 84816, 87552, 88908, 91776, 108984, 113088, 118544, 122368, 133362, 137664, 140771, 142848, 145312, 150784, 163476, 169632, 177816, 183552, 217968, 226176, 237088, 266724, 275328, 281542, 290624, 301568, 326952, 339264, 355632, 367104, 422313, 435936, 452352, 474176, 533448, 550656, 563084, 581248, 653904, 678528, 711264, 844626, 871872, 904704, 948352, 1066896, 1101312, 1126168, 1162496, 1266939, 1307808, 1357056, 1422528, 1689252, 1743744, 1896704, 2133792, 2252336, 2324992, 2533878, 2615616, 2714112, 2845056, 3378504, 3487488, 3793408, 4267584, 4504672, 5067756, 5231232, 5690112, 6757008, 6974976, 8535168, 9009344, 10135512, 10462464, 11380224, 13514016, 17070336, 18018688, 20271024, 20924928, 27028032, 34140672, 36037376, 40542048, 54056064, 72074752, 81084096, 108112128, 162168192, 216224256, 324336384, 648672768]

約数ペア:

[(1, 648672768), (2, 324336384), (3, 216224256), (4, 162168192), (6, 108112128), (8, 81084096), (9, 72074752), (12, 54056064), (16, 40542048), (18, 36037376), (19, 34140672), (24, 27028032), (31, 20924928), (32, 20271024), (36, 18018688), (38, 17070336), (48, 13514016), (57, 11380224), (62, 10462464), (64, 10135512), (72, 9009344), (76, 8535168), (93, 6974976), (96, 6757008), (114, 5690112), (124, 5231232), (128, 5067756), (144, 4504672), (152, 4267584), (171, 3793408), (186, 3487488), (192, 3378504), (228, 2845056), (239, 2714112), (248, 2615616), (256, 2533878), (279, 2324992), (288, 2252336), (304, 2133792), (342, 1896704), (372, 1743744), (384, 1689252), (456, 1422528), (478, 1357056), (496, 1307808), (512, 1266939), (558, 1162496), (576, 1126168), (589, 1101312), (608, 1066896), (684, 948352), (717, 904704), (744, 871872), (768, 844626), (912, 711264), (956, 678528), (992, 653904), (1116, 581248), (1152, 563084), (1178, 550656), (1216, 533448), (1368, 474176), (1434, 452352), (1488, 435936), (1536, 422313), (1767, 367104), (1824, 355632), (1912, 339264), (1984, 326952), (2151, 301568), (2232, 290624), (2304, 281542), (2356, 275328), (2432, 266724), (2736, 237088), (2868, 226176), (2976, 217968), (3534, 183552), (3648, 177816), (3824, 169632), (3968, 163476), (4302, 150784), (4464, 145312), (4541, 142848), (4608, 140771), (4712, 137664), (4864, 133362), (5301, 122368), (5472, 118544), (5736, 113088), (5952, 108984), (7068, 91776), (7296, 88908), (7409, 87552), (7648, 84816), (7936, 81738), (8604, 75392), (8928, 72656), (9082, 71424), (9424, 68832), (9728, 66681), (10602, 61184), (10944, 59272), (11472, 56544), (11904, 54492), (13623, 47616), (14136, 45888), (14592, 44454), (14818, 43776), (15296, 42408), (15872, 40869), (17208, 37696), (17856, 36328), (18164, 35712), (18848, 34416), (21204, 30592), (21888, 29636), (22227, 29184), (22944, 28272), (23808, 27246)]