251909280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 288

約数和(自身を含む): 999782784

約数和(自身を除く): 747873504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 134, 140, 144, 160, 168, 180, 201, 210, 224, 240, 252, 268, 280, 288, 315, 335, 336, 360, 373, 402, 420, 469, 480, 504, 536, 560, 603, 630, 670, 672, 720, 746, 804, 840, 938, 1005, 1008, 1072, 1119, 1120, 1206, 1260, 1340, 1407, 1440, 1492, 1608, 1680, 1865, 1876, 2010, 2016, 2144, 2238, 2345, 2412, 2520, 2611, 2680, 2814, 2984, 3015, 3216, 3357, 3360, 3730, 3752, 4020, 4221, 4476, 4690, 4824, 5040, 5222, 5360, 5595, 5628, 5968, 6030, 6432, 6714, 7035, 7460, 7504, 7833, 8040, 8442, 8952, 9380, 9648, 10080, 10444, 10720, 11190, 11256, 11936, 12060, 13055, 13428, 14070, 14920, 15008, 15666, 16080, 16785, 16884, 17904, 18760, 19296, 20888, 21105, 22380, 22512, 23499, 24120, 24991, 26110, 26856, 28140, 29840, 31332, 32160, 33570, 33768, 35808, 37520, 39165, 41776, 42210, 44760, 45024, 46998, 48240, 49982, 52220, 53712, 56280, 59680, 62664, 67140, 67536, 74973, 75040, 78330, 83552, 84420, 89520, 93996, 96480, 99964, 104440, 107424, 112560, 117495, 124955, 125328, 134280, 135072, 149946, 156660, 168840, 174937, 179040, 187992, 199928, 208880, 224919, 225120, 234990, 249910, 250656, 268560, 299892, 313320, 337680, 349874, 374865, 375984, 399856, 417760, 449838, 469980, 499820, 524811, 537120, 599784, 626640, 675360, 699748, 749730, 751968, 799712, 874685, 899676, 939960, 999640, 1049622, 1124595, 1199568, 1253280, 1399496, 1499460, 1574433, 1749370, 1799352, 1879920, 1999280, 2099244, 2249190, 2399136, 2624055, 2798992, 2998920, 3148866, 3498740, 3598704, 3759840, 3998560, 4198488, 4498380, 5248110, 5597984, 5997840, 6297732, 6997480, 7197408, 7872165, 8396976, 8996760, 10496220, 11995680, 12595464, 13994960, 15744330, 16793952, 17993520, 20992440, 25190928, 27989920, 31488660, 35987040, 41984880, 50381856, 62977320, 83969760, 125954640, 251909280]

約数ペア:

[(1, 251909280), (2, 125954640), (3, 83969760), (4, 62977320), (5, 50381856), (6, 41984880), (7, 35987040), (8, 31488660), (9, 27989920), (10, 25190928), (12, 20992440), (14, 17993520), (15, 16793952), (16, 15744330), (18, 13994960), (20, 12595464), (21, 11995680), (24, 10496220), (28, 8996760), (30, 8396976), (32, 7872165), (35, 7197408), (36, 6997480), (40, 6297732), (42, 5997840), (45, 5597984), (48, 5248110), (56, 4498380), (60, 4198488), (63, 3998560), (67, 3759840), (70, 3598704), (72, 3498740), (80, 3148866), (84, 2998920), (90, 2798992), (96, 2624055), (105, 2399136), (112, 2249190), (120, 2099244), (126, 1999280), (134, 1879920), (140, 1799352), (144, 1749370), (160, 1574433), (168, 1499460), (180, 1399496), (201, 1253280), (210, 1199568), (224, 1124595), (240, 1049622), (252, 999640), (268, 939960), (280, 899676), (288, 874685), (315, 799712), (335, 751968), (336, 749730), (360, 699748), (373, 675360), (402, 626640), (420, 599784), (469, 537120), (480, 524811), (504, 499820), (536, 469980), (560, 449838), (603, 417760), (630, 399856), (670, 375984), (672, 374865), (720, 349874), (746, 337680), (804, 313320), (840, 299892), (938, 268560), (1005, 250656), (1008, 249910), (1072, 234990), (1119, 225120), (1120, 224919), (1206, 208880), (1260, 199928), (1340, 187992), (1407, 179040), (1440, 174937), (1492, 168840), (1608, 156660), (1680, 149946), (1865, 135072), (1876, 134280), (2010, 125328), (2016, 124955), (2144, 117495), (2238, 112560), (2345, 107424), (2412, 104440), (2520, 99964), (2611, 96480), (2680, 93996), (2814, 89520), (2984, 84420), (3015, 83552), (3216, 78330), (3357, 75040), (3360, 74973), (3730, 67536), (3752, 67140), (4020, 62664), (4221, 59680), (4476, 56280), (4690, 53712), (4824, 52220), (5040, 49982), (5222, 48240), (5360, 46998), (5595, 45024), (5628, 44760), (5968, 42210), (6030, 41776), (6432, 39165), (6714, 37520), (7035, 35808), (7460, 33768), (7504, 33570), (7833, 32160), (8040, 31332), (8442, 29840), (8952, 28140), (9380, 26856), (9648, 26110), (10080, 24991), (10444, 24120), (10720, 23499), (11190, 22512), (11256, 22380), (11936, 21105), (12060, 20888), (13055, 19296), (13428, 18760), (14070, 17904), (14920, 16884), (15008, 16785), (15666, 16080)]