1639975680

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{6779}}^1$

素因数の和:6816

約数の個数: 288

約数和(自身を含む): 6651993600

約数和(自身を除く): 5012017920

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, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6779, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 13558, 15120, 16128, 17280, 20160, 20337, 24192, 26880, 27116, 30240, 33895, 34560, 40320, 40674, 47453, 48384, 54232, 60480, 61011, 67790, 80640, 81348, 94906, 101685, 108464, 120960, 122022, 135580, 142359, 162696, 183033, 189812, 203370, 216928, 237265, 241920, 244044, 271160, 284718, 305055, 325392, 366066, 379624, 406740, 427077, 433856, 474530, 488088, 542320, 569436, 610110, 650784, 711795, 732132, 759248, 813480, 854154, 867712, 915165, 949060, 976176, 1084640, 1138872, 1220220, 1281231, 1301568, 1423590, 1464264, 1518496, 1626960, 1708308, 1735424, 1830330, 1898120, 1952352, 2135385, 2169280, 2277744, 2440440, 2562462, 2603136, 2847180, 2928528, 3036992, 3253920, 3416616, 3660660, 3796240, 3904704, 4270770, 4338560, 4555488, 4880880, 5124924, 5206272, 5694360, 5857056, 6073984, 6406155, 6507840, 6833232, 7321320, 7592480, 7809408, 8541540, 8677120, 9110976, 9761760, 10249848, 11388720, 11714112, 12147968, 12812310, 13015680, 13666464, 14642640, 15184960, 15618816, 17083080, 18221952, 19523520, 20499696, 22777440, 23428224, 25624620, 26031360, 27332928, 29285280, 30369920, 34166160, 36443904, 39047040, 40999392, 45554880, 46856448, 51249240, 54665856, 58570560, 60739840, 68332320, 78094080, 81998784, 91109760, 102498480, 109331712, 117141120, 136664640, 163997568, 182219520, 204996960, 234282240, 273329280, 327995136, 409993920, 546658560, 819987840, 1639975680]

約数ペア:

[(1, 1639975680), (2, 819987840), (3, 546658560), (4, 409993920), (5, 327995136), (6, 273329280), (7, 234282240), (8, 204996960), (9, 182219520), (10, 163997568), (12, 136664640), (14, 117141120), (15, 109331712), (16, 102498480), (18, 91109760), (20, 81998784), (21, 78094080), (24, 68332320), (27, 60739840), (28, 58570560), (30, 54665856), (32, 51249240), (35, 46856448), (36, 45554880), (40, 40999392), (42, 39047040), (45, 36443904), (48, 34166160), (54, 30369920), (56, 29285280), (60, 27332928), (63, 26031360), (64, 25624620), (70, 23428224), (72, 22777440), (80, 20499696), (84, 19523520), (90, 18221952), (96, 17083080), (105, 15618816), (108, 15184960), (112, 14642640), (120, 13666464), (126, 13015680), (128, 12812310), (135, 12147968), (140, 11714112), (144, 11388720), (160, 10249848), (168, 9761760), (180, 9110976), (189, 8677120), (192, 8541540), (210, 7809408), (216, 7592480), (224, 7321320), (240, 6833232), (252, 6507840), (256, 6406155), (270, 6073984), (280, 5857056), (288, 5694360), (315, 5206272), (320, 5124924), (336, 4880880), (360, 4555488), (378, 4338560), (384, 4270770), (420, 3904704), (432, 3796240), (448, 3660660), (480, 3416616), (504, 3253920), (540, 3036992), (560, 2928528), (576, 2847180), (630, 2603136), (640, 2562462), (672, 2440440), (720, 2277744), (756, 2169280), (768, 2135385), (840, 1952352), (864, 1898120), (896, 1830330), (945, 1735424), (960, 1708308), (1008, 1626960), (1080, 1518496), (1120, 1464264), (1152, 1423590), (1260, 1301568), (1280, 1281231), (1344, 1220220), (1440, 1138872), (1512, 1084640), (1680, 976176), (1728, 949060), (1792, 915165), (1890, 867712), (1920, 854154), (2016, 813480), (2160, 759248), (2240, 732132), (2304, 711795), (2520, 650784), (2688, 610110), (2880, 569436), (3024, 542320), (3360, 488088), (3456, 474530), (3780, 433856), (3840, 427077), (4032, 406740), (4320, 379624), (4480, 366066), (5040, 325392), (5376, 305055), (5760, 284718), (6048, 271160), (6720, 244044), (6779, 241920), (6912, 237265), (7560, 216928), (8064, 203370), (8640, 189812), (8960, 183033), (10080, 162696), (11520, 142359), (12096, 135580), (13440, 122022), (13558, 120960), (15120, 108464), (16128, 101685), (17280, 94906), (20160, 81348), (20337, 80640), (24192, 67790), (26880, 61011), (27116, 60480), (30240, 54232), (33895, 48384), (34560, 47453), (40320, 40674)]