1661287968

素因数分解:

$2^5\times 3^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 288

約数和(自身を含む): 5200977600

約数和(自身を除く): 3539689632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 53, 54, 58, 72, 81, 87, 96, 106, 108, 116, 139, 144, 159, 162, 174, 212, 216, 232, 243, 261, 278, 288, 318, 324, 348, 417, 424, 432, 464, 477, 486, 522, 556, 636, 648, 696, 783, 834, 848, 864, 928, 954, 972, 1044, 1112, 1251, 1272, 1296, 1392, 1431, 1537, 1566, 1668, 1696, 1908, 1944, 2088, 2224, 2349, 2502, 2544, 2592, 2784, 2862, 3074, 3132, 3336, 3753, 3816, 3888, 4031, 4176, 4293, 4448, 4611, 4698, 5004, 5088, 5724, 6148, 6264, 6672, 7047, 7367, 7506, 7632, 7776, 8062, 8352, 8586, 9222, 9396, 10008, 11259, 11448, 12093, 12296, 12528, 12879, 13344, 13833, 14094, 14734, 15012, 15264, 16124, 17172, 18444, 18792, 20016, 22101, 22518, 22896, 24186, 24592, 25056, 25758, 27666, 28188, 29468, 30024, 32248, 33777, 34344, 36279, 36888, 37584, 40032, 41499, 44202, 45036, 45792, 48372, 49184, 51516, 55332, 56376, 58936, 60048, 64496, 66303, 67554, 68688, 72558, 73776, 75168, 82998, 88404, 90072, 96744, 103032, 108837, 110664, 112752, 117872, 120096, 124497, 128992, 132606, 135108, 137376, 145116, 147552, 165996, 176808, 180144, 193488, 198909, 206064, 213643, 217674, 221328, 225504, 235744, 248994, 265212, 270216, 290232, 326511, 331992, 353616, 360288, 373491, 386976, 397818, 412128, 427286, 435348, 442656, 497988, 530424, 540432, 580464, 596727, 640929, 653022, 663984, 707232, 746982, 795636, 854572, 870696, 979533, 995976, 1060848, 1080864, 1160928, 1193454, 1281858, 1306044, 1327968, 1493964, 1591272, 1709144, 1741392, 1790181, 1922787, 1959066, 1991952, 2121696, 2386908, 2563716, 2612088, 2987928, 3182544, 3418288, 3482784, 3580362, 3845574, 3918132, 3983904, 4773816, 5127432, 5224176, 5768361, 5975856, 6365088, 6836576, 7160724, 7691148, 7836264, 9547632, 10254864, 10448352, 11536722, 11951712, 14321448, 15382296, 15672528, 17305083, 19095264, 20509728, 23073444, 28642896, 30764592, 31345056, 34610166, 46146888, 51915249, 57285792, 61529184, 69220332, 92293776, 103830498, 138440664, 184587552, 207660996, 276881328, 415321992, 553762656, 830643984, 1661287968]

約数ペア:

[(1, 1661287968), (2, 830643984), (3, 553762656), (4, 415321992), (6, 276881328), (8, 207660996), (9, 184587552), (12, 138440664), (16, 103830498), (18, 92293776), (24, 69220332), (27, 61529184), (29, 57285792), (32, 51915249), (36, 46146888), (48, 34610166), (53, 31345056), (54, 30764592), (58, 28642896), (72, 23073444), (81, 20509728), (87, 19095264), (96, 17305083), (106, 15672528), (108, 15382296), (116, 14321448), (139, 11951712), (144, 11536722), (159, 10448352), (162, 10254864), (174, 9547632), (212, 7836264), (216, 7691148), (232, 7160724), (243, 6836576), (261, 6365088), (278, 5975856), (288, 5768361), (318, 5224176), (324, 5127432), (348, 4773816), (417, 3983904), (424, 3918132), (432, 3845574), (464, 3580362), (477, 3482784), (486, 3418288), (522, 3182544), (556, 2987928), (636, 2612088), (648, 2563716), (696, 2386908), (783, 2121696), (834, 1991952), (848, 1959066), (864, 1922787), (928, 1790181), (954, 1741392), (972, 1709144), (1044, 1591272), (1112, 1493964), (1251, 1327968), (1272, 1306044), (1296, 1281858), (1392, 1193454), (1431, 1160928), (1537, 1080864), (1566, 1060848), (1668, 995976), (1696, 979533), (1908, 870696), (1944, 854572), (2088, 795636), (2224, 746982), (2349, 707232), (2502, 663984), (2544, 653022), (2592, 640929), (2784, 596727), (2862, 580464), (3074, 540432), (3132, 530424), (3336, 497988), (3753, 442656), (3816, 435348), (3888, 427286), (4031, 412128), (4176, 397818), (4293, 386976), (4448, 373491), (4611, 360288), (4698, 353616), (5004, 331992), (5088, 326511), (5724, 290232), (6148, 270216), (6264, 265212), (6672, 248994), (7047, 235744), (7367, 225504), (7506, 221328), (7632, 217674), (7776, 213643), (8062, 206064), (8352, 198909), (8586, 193488), (9222, 180144), (9396, 176808), (10008, 165996), (11259, 147552), (11448, 145116), (12093, 137376), (12296, 135108), (12528, 132606), (12879, 128992), (13344, 124497), (13833, 120096), (14094, 117872), (14734, 112752), (15012, 110664), (15264, 108837), (16124, 103032), (17172, 96744), (18444, 90072), (18792, 88404), (20016, 82998), (22101, 75168), (22518, 73776), (22896, 72558), (24186, 68688), (24592, 67554), (25056, 66303), (25758, 64496), (27666, 60048), (28188, 58936), (29468, 56376), (30024, 55332), (32248, 51516), (33777, 49184), (34344, 48372), (36279, 45792), (36888, 45036), (37584, 44202), (40032, 41499)]