648410880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 288

約数和(自身を含む): 2307594240

約数和(自身を除く): 1659183360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 403, 416, 419, 465, 480, 496, 520, 620, 624, 640, 744, 768, 780, 806, 832, 838, 930, 960, 992, 1040, 1209, 1240, 1248, 1257, 1280, 1488, 1560, 1612, 1664, 1676, 1860, 1920, 1984, 2015, 2080, 2095, 2418, 2480, 2496, 2514, 2976, 3120, 3224, 3328, 3352, 3720, 3840, 3968, 4030, 4160, 4190, 4836, 4960, 4992, 5028, 5447, 5952, 6045, 6240, 6285, 6448, 6704, 7440, 7936, 8060, 8320, 8380, 9672, 9920, 9984, 10056, 10894, 11904, 12090, 12480, 12570, 12896, 12989, 13408, 14880, 16120, 16341, 16640, 16760, 19344, 19840, 20112, 21788, 23808, 24180, 24960, 25140, 25792, 25978, 26816, 27235, 29760, 32240, 32682, 33520, 38688, 38967, 39680, 40224, 43576, 48360, 49920, 50280, 51584, 51956, 53632, 54470, 59520, 64480, 64945, 65364, 67040, 77376, 77934, 80448, 81705, 87152, 96720, 100560, 103168, 103912, 107264, 108940, 119040, 128960, 129890, 130728, 134080, 154752, 155868, 160896, 163410, 168857, 174304, 193440, 194835, 201120, 207824, 217880, 257920, 259780, 261456, 268160, 309504, 311736, 321792, 326820, 337714, 348608, 386880, 389670, 402240, 415648, 435760, 506571, 515840, 519560, 522912, 536320, 623472, 653640, 675428, 697216, 773760, 779340, 804480, 831296, 844285, 871520, 1013142, 1039120, 1045824, 1246944, 1307280, 1350856, 1394432, 1547520, 1558680, 1608960, 1662592, 1688570, 1743040, 2026284, 2078240, 2091648, 2493888, 2532855, 2614560, 2701712, 3117360, 3325184, 3377140, 3486080, 4052568, 4156480, 4183296, 4987776, 5065710, 5229120, 5403424, 6234720, 6754280, 6972160, 8105136, 8312960, 9975552, 10131420, 10458240, 10806848, 12469440, 13508560, 16210272, 16625920, 20262840, 20916480, 21613696, 24938880, 27017120, 32420544, 40525680, 43227392, 49877760, 54034240, 64841088, 81051360, 108068480, 129682176, 162102720, 216136960, 324205440, 648410880]

約数ペア:

[(1, 648410880), (2, 324205440), (3, 216136960), (4, 162102720), (5, 129682176), (6, 108068480), (8, 81051360), (10, 64841088), (12, 54034240), (13, 49877760), (15, 43227392), (16, 40525680), (20, 32420544), (24, 27017120), (26, 24938880), (30, 21613696), (31, 20916480), (32, 20262840), (39, 16625920), (40, 16210272), (48, 13508560), (52, 12469440), (60, 10806848), (62, 10458240), (64, 10131420), (65, 9975552), (78, 8312960), (80, 8105136), (93, 6972160), (96, 6754280), (104, 6234720), (120, 5403424), (124, 5229120), (128, 5065710), (130, 4987776), (155, 4183296), (156, 4156480), (160, 4052568), (186, 3486080), (192, 3377140), (195, 3325184), (208, 3117360), (240, 2701712), (248, 2614560), (256, 2532855), (260, 2493888), (310, 2091648), (312, 2078240), (320, 2026284), (372, 1743040), (384, 1688570), (390, 1662592), (403, 1608960), (416, 1558680), (419, 1547520), (465, 1394432), (480, 1350856), (496, 1307280), (520, 1246944), (620, 1045824), (624, 1039120), (640, 1013142), (744, 871520), (768, 844285), (780, 831296), (806, 804480), (832, 779340), (838, 773760), (930, 697216), (960, 675428), (992, 653640), (1040, 623472), (1209, 536320), (1240, 522912), (1248, 519560), (1257, 515840), (1280, 506571), (1488, 435760), (1560, 415648), (1612, 402240), (1664, 389670), (1676, 386880), (1860, 348608), (1920, 337714), (1984, 326820), (2015, 321792), (2080, 311736), (2095, 309504), (2418, 268160), (2480, 261456), (2496, 259780), (2514, 257920), (2976, 217880), (3120, 207824), (3224, 201120), (3328, 194835), (3352, 193440), (3720, 174304), (3840, 168857), (3968, 163410), (4030, 160896), (4160, 155868), (4190, 154752), (4836, 134080), (4960, 130728), (4992, 129890), (5028, 128960), (5447, 119040), (5952, 108940), (6045, 107264), (6240, 103912), (6285, 103168), (6448, 100560), (6704, 96720), (7440, 87152), (7936, 81705), (8060, 80448), (8320, 77934), (8380, 77376), (9672, 67040), (9920, 65364), (9984, 64945), (10056, 64480), (10894, 59520), (11904, 54470), (12090, 53632), (12480, 51956), (12570, 51584), (12896, 50280), (12989, 49920), (13408, 48360), (14880, 43576), (16120, 40224), (16341, 39680), (16640, 38967), (16760, 38688), (19344, 33520), (19840, 32682), (20112, 32240), (21788, 29760), (23808, 27235), (24180, 26816), (24960, 25978), (25140, 25792)]