641450880

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{5303}}^1$

素因数の和:5338

約数の個数: 256

約数和(自身を含む): 2596838400

約数和(自身を除く): 1955387520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5303, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 10606, 12096, 13440, 15120, 15909, 17280, 20160, 21212, 24192, 26515, 30240, 31818, 37121, 40320, 42424, 47727, 53030, 60480, 63636, 74242, 79545, 84848, 95454, 106060, 111363, 120960, 127272, 143181, 148484, 159090, 169696, 185605, 190908, 212120, 222726, 238635, 254544, 286362, 296968, 318180, 334089, 339392, 371210, 381816, 424240, 445452, 477270, 509088, 556815, 572724, 593936, 636360, 668178, 678784, 715905, 742420, 763632, 848480, 890904, 954540, 1002267, 1018176, 1113630, 1145448, 1187872, 1272720, 1336356, 1431810, 1484840, 1527264, 1670445, 1696960, 1781808, 1909080, 2004534, 2036352, 2227260, 2290896, 2375744, 2545440, 2672712, 2863620, 2969680, 3054528, 3340890, 3393920, 3563616, 3818160, 4009068, 4454520, 4581792, 4751488, 5011335, 5090880, 5345424, 5727240, 5939360, 6109056, 6681780, 7127232, 7636320, 8018136, 8909040, 9163584, 10022670, 10181760, 10690848, 11454480, 11878720, 13363560, 14254464, 15272640, 16036272, 17818080, 18327168, 20045340, 21381696, 22908960, 23757440, 26727120, 30545280, 32072544, 35636160, 40090680, 42763392, 45817920, 53454240, 64145088, 71272320, 80181360, 91635840, 106908480, 128290176, 160362720, 213816960, 320725440, 641450880]

約数ペア:

[(1, 641450880), (2, 320725440), (3, 213816960), (4, 160362720), (5, 128290176), (6, 106908480), (7, 91635840), (8, 80181360), (9, 71272320), (10, 64145088), (12, 53454240), (14, 45817920), (15, 42763392), (16, 40090680), (18, 35636160), (20, 32072544), (21, 30545280), (24, 26727120), (27, 23757440), (28, 22908960), (30, 21381696), (32, 20045340), (35, 18327168), (36, 17818080), (40, 16036272), (42, 15272640), (45, 14254464), (48, 13363560), (54, 11878720), (56, 11454480), (60, 10690848), (63, 10181760), (64, 10022670), (70, 9163584), (72, 8909040), (80, 8018136), (84, 7636320), (90, 7127232), (96, 6681780), (105, 6109056), (108, 5939360), (112, 5727240), (120, 5345424), (126, 5090880), (128, 5011335), (135, 4751488), (140, 4581792), (144, 4454520), (160, 4009068), (168, 3818160), (180, 3563616), (189, 3393920), (192, 3340890), (210, 3054528), (216, 2969680), (224, 2863620), (240, 2672712), (252, 2545440), (270, 2375744), (280, 2290896), (288, 2227260), (315, 2036352), (320, 2004534), (336, 1909080), (360, 1781808), (378, 1696960), (384, 1670445), (420, 1527264), (432, 1484840), (448, 1431810), (480, 1336356), (504, 1272720), (540, 1187872), (560, 1145448), (576, 1113630), (630, 1018176), (640, 1002267), (672, 954540), (720, 890904), (756, 848480), (840, 763632), (864, 742420), (896, 715905), (945, 678784), (960, 668178), (1008, 636360), (1080, 593936), (1120, 572724), (1152, 556815), (1260, 509088), (1344, 477270), (1440, 445452), (1512, 424240), (1680, 381816), (1728, 371210), (1890, 339392), (1920, 334089), (2016, 318180), (2160, 296968), (2240, 286362), (2520, 254544), (2688, 238635), (2880, 222726), (3024, 212120), (3360, 190908), (3456, 185605), (3780, 169696), (4032, 159090), (4320, 148484), (4480, 143181), (5040, 127272), (5303, 120960), (5760, 111363), (6048, 106060), (6720, 95454), (7560, 84848), (8064, 79545), (8640, 74242), (10080, 63636), (10606, 60480), (12096, 53030), (13440, 47727), (15120, 42424), (15909, 40320), (17280, 37121), (20160, 31818), (21212, 30240), (24192, 26515)]