1279469520

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 400

約数和(自身を含む): 5166657408

約数和(自身を除く): 3887187888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 67, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 134, 135, 140, 144, 162, 168, 180, 189, 201, 210, 216, 240, 252, 268, 270, 280, 315, 324, 335, 336, 360, 378, 402, 405, 420, 421, 432, 469, 504, 536, 540, 560, 567, 603, 630, 648, 670, 720, 756, 804, 810, 840, 842, 938, 945, 1005, 1008, 1072, 1080, 1134, 1206, 1260, 1263, 1296, 1340, 1407, 1512, 1608, 1620, 1680, 1684, 1809, 1876, 1890, 2010, 2105, 2160, 2268, 2345, 2412, 2520, 2526, 2680, 2814, 2835, 2947, 3015, 3024, 3216, 3240, 3368, 3618, 3752, 3780, 3789, 4020, 4210, 4221, 4536, 4690, 4824, 5040, 5052, 5360, 5427, 5628, 5670, 5894, 6030, 6315, 6480, 6736, 7035, 7236, 7504, 7560, 7578, 8040, 8420, 8442, 8841, 9045, 9072, 9380, 9648, 10104, 10854, 11256, 11340, 11367, 11788, 12060, 12630, 12663, 14070, 14472, 14735, 15120, 15156, 16080, 16840, 16884, 17682, 18090, 18760, 18945, 20208, 21105, 21708, 22512, 22680, 22734, 23576, 24120, 25260, 25326, 26523, 27135, 28140, 28207, 28944, 29470, 30312, 33680, 33768, 34101, 35364, 36180, 37520, 37890, 37989, 42210, 43416, 44205, 45360, 45468, 47152, 48240, 50520, 50652, 53046, 54270, 56280, 56414, 56835, 58940, 60624, 63315, 67536, 68202, 70728, 72360, 75780, 75978, 79569, 84420, 84621, 86832, 88410, 90936, 101040, 101304, 106092, 108540, 112560, 112828, 113670, 117880, 126630, 132615, 136404, 141035, 141456, 144720, 151560, 151956, 159138, 168840, 169242, 170505, 176820, 181872, 189945, 197449, 202608, 212184, 217080, 225656, 227340, 235760, 238707, 253260, 253863, 265230, 272808, 282070, 303120, 303912, 318276, 337680, 338484, 341010, 353640, 379890, 394898, 397845, 423105, 424368, 434160, 451312, 454680, 477414, 506520, 507726, 530460, 545616, 564140, 592347, 607824, 636552, 676968, 682020, 707280, 759780, 761589, 789796, 795690, 846210, 909360, 954828, 987245, 1013040, 1015452, 1060920, 1128280, 1184694, 1193535, 1269315, 1273104, 1353936, 1364040, 1519560, 1523178, 1579592, 1591380, 1692420, 1777041, 1909656, 1974490, 2030904, 2121840, 2256560, 2284767, 2369388, 2387070, 2538630, 2728080, 2961735, 3039120, 3046356, 3159184, 3182760, 3384840, 3554082, 3807945, 3819312, 3948980, 4061808, 4569534, 4738776, 4774140, 5077260, 5331123, 5923470, 6092712, 6365520, 6769680, 7108164, 7615890, 7897960, 8885205, 9139068, 9477552, 9548280, 10154520, 10662246, 11423835, 11846940, 12185424, 14216328, 15231780, 15795920, 15993369, 17770410, 18278136, 19096560, 20309040, 21324492, 22847670, 23693880, 26655615, 28432656, 30463560, 31986738, 35540820, 36556272, 42648984, 45695340, 47387760, 53311230, 60927120, 63973476, 71081640, 79966845, 85297968, 91390680, 106622460, 127946952, 142163280, 159933690, 182781360, 213244920, 255893904, 319867380, 426489840, 639734760, 1279469520]

約数ペア:

[(1, 1279469520), (2, 639734760), (3, 426489840), (4, 319867380), (5, 255893904), (6, 213244920), (7, 182781360), (8, 159933690), (9, 142163280), (10, 127946952), (12, 106622460), (14, 91390680), (15, 85297968), (16, 79966845), (18, 71081640), (20, 63973476), (21, 60927120), (24, 53311230), (27, 47387760), (28, 45695340), (30, 42648984), (35, 36556272), (36, 35540820), (40, 31986738), (42, 30463560), (45, 28432656), (48, 26655615), (54, 23693880), (56, 22847670), (60, 21324492), (63, 20309040), (67, 19096560), (70, 18278136), (72, 17770410), (80, 15993369), (81, 15795920), (84, 15231780), (90, 14216328), (105, 12185424), (108, 11846940), (112, 11423835), (120, 10662246), (126, 10154520), (134, 9548280), (135, 9477552), (140, 9139068), (144, 8885205), (162, 7897960), (168, 7615890), (180, 7108164), (189, 6769680), (201, 6365520), (210, 6092712), (216, 5923470), (240, 5331123), (252, 5077260), (268, 4774140), (270, 4738776), (280, 4569534), (315, 4061808), (324, 3948980), (335, 3819312), (336, 3807945), (360, 3554082), (378, 3384840), (402, 3182760), (405, 3159184), (420, 3046356), (421, 3039120), (432, 2961735), (469, 2728080), (504, 2538630), (536, 2387070), (540, 2369388), (560, 2284767), (567, 2256560), (603, 2121840), (630, 2030904), (648, 1974490), (670, 1909656), (720, 1777041), (756, 1692420), (804, 1591380), (810, 1579592), (840, 1523178), (842, 1519560), (938, 1364040), (945, 1353936), (1005, 1273104), (1008, 1269315), (1072, 1193535), (1080, 1184694), (1134, 1128280), (1206, 1060920), (1260, 1015452), (1263, 1013040), (1296, 987245), (1340, 954828), (1407, 909360), (1512, 846210), (1608, 795690), (1620, 789796), (1680, 761589), (1684, 759780), (1809, 707280), (1876, 682020), (1890, 676968), (2010, 636552), (2105, 607824), (2160, 592347), (2268, 564140), (2345, 545616), (2412, 530460), (2520, 507726), (2526, 506520), (2680, 477414), (2814, 454680), (2835, 451312), (2947, 434160), (3015, 424368), (3024, 423105), (3216, 397845), (3240, 394898), (3368, 379890), (3618, 353640), (3752, 341010), (3780, 338484), (3789, 337680), (4020, 318276), (4210, 303912), (4221, 303120), (4536, 282070), (4690, 272808), (4824, 265230), (5040, 253863), (5052, 253260), (5360, 238707), (5427, 235760), (5628, 227340), (5670, 225656), (5894, 217080), (6030, 212184), (6315, 202608), (6480, 197449), (6736, 189945), (7035, 181872), (7236, 176820), (7504, 170505), (7560, 169242), (7578, 168840), (8040, 159138), (8420, 151956), (8442, 151560), (8841, 144720), (9045, 141456), (9072, 141035), (9380, 136404), (9648, 132615), (10104, 126630), (10854, 117880), (11256, 113670), (11340, 112828), (11367, 112560), (11788, 108540), (12060, 106092), (12630, 101304), (12663, 101040), (14070, 90936), (14472, 88410), (14735, 86832), (15120, 84621), (15156, 84420), (16080, 79569), (16840, 75978), (16884, 75780), (17682, 72360), (18090, 70728), (18760, 68202), (18945, 67536), (20208, 63315), (21105, 60624), (21708, 58940), (22512, 56835), (22680, 56414), (22734, 56280), (23576, 54270), (24120, 53046), (25260, 50652), (25326, 50520), (26523, 48240), (27135, 47152), (28140, 45468), (28207, 45360), (28944, 44205), (29470, 43416), (30312, 42210), (33680, 37989), (33768, 37890), (34101, 37520), (35364, 36180)]