255418240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 782576640

約数和(自身を除く): 527158400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 71, 73, 77, 80, 88, 110, 112, 128, 140, 142, 146, 154, 160, 176, 220, 224, 280, 284, 292, 308, 320, 352, 355, 365, 385, 440, 448, 497, 511, 560, 568, 584, 616, 640, 704, 710, 730, 770, 781, 803, 880, 896, 994, 1022, 1120, 1136, 1168, 1232, 1408, 1420, 1460, 1540, 1562, 1606, 1760, 1988, 2044, 2240, 2272, 2336, 2464, 2485, 2555, 2840, 2920, 3080, 3124, 3212, 3520, 3905, 3976, 4015, 4088, 4480, 4544, 4672, 4928, 4970, 5110, 5183, 5467, 5621, 5680, 5840, 6160, 6248, 6424, 7040, 7810, 7952, 8030, 8176, 9088, 9344, 9856, 9940, 10220, 10366, 10934, 11242, 11360, 11680, 12320, 12496, 12848, 15620, 15904, 16060, 16352, 19880, 20440, 20732, 21868, 22484, 22720, 23360, 24640, 24992, 25696, 25915, 27335, 28105, 31240, 31808, 32120, 32704, 36281, 39760, 40880, 41464, 43736, 44968, 45440, 46720, 49280, 49984, 51392, 51830, 54670, 56210, 57013, 62480, 63616, 64240, 65408, 72562, 79520, 81760, 82928, 87472, 89936, 99968, 102784, 103660, 109340, 112420, 114026, 124960, 128480, 145124, 159040, 163520, 165856, 174944, 179872, 181405, 207320, 218680, 224840, 228052, 249920, 256960, 285065, 290248, 318080, 327040, 331712, 349888, 359744, 362810, 399091, 414640, 437360, 449680, 456104, 499840, 513920, 570130, 580496, 663424, 699776, 719488, 725620, 798182, 829280, 874720, 899360, 912208, 1140260, 1160992, 1451240, 1596364, 1658560, 1749440, 1798720, 1824416, 1995455, 2280520, 2321984, 2902480, 3192728, 3317120, 3498880, 3597440, 3648832, 3990910, 4561040, 4643968, 5804960, 6385456, 7297664, 7981820, 9122080, 11609920, 12770912, 15963640, 18244160, 23219840, 25541824, 31927280, 36488320, 51083648, 63854560, 127709120, 255418240]

約数ペア:

[(1, 255418240), (2, 127709120), (4, 63854560), (5, 51083648), (7, 36488320), (8, 31927280), (10, 25541824), (11, 23219840), (14, 18244160), (16, 15963640), (20, 12770912), (22, 11609920), (28, 9122080), (32, 7981820), (35, 7297664), (40, 6385456), (44, 5804960), (55, 4643968), (56, 4561040), (64, 3990910), (70, 3648832), (71, 3597440), (73, 3498880), (77, 3317120), (80, 3192728), (88, 2902480), (110, 2321984), (112, 2280520), (128, 1995455), (140, 1824416), (142, 1798720), (146, 1749440), (154, 1658560), (160, 1596364), (176, 1451240), (220, 1160992), (224, 1140260), (280, 912208), (284, 899360), (292, 874720), (308, 829280), (320, 798182), (352, 725620), (355, 719488), (365, 699776), (385, 663424), (440, 580496), (448, 570130), (497, 513920), (511, 499840), (560, 456104), (568, 449680), (584, 437360), (616, 414640), (640, 399091), (704, 362810), (710, 359744), (730, 349888), (770, 331712), (781, 327040), (803, 318080), (880, 290248), (896, 285065), (994, 256960), (1022, 249920), (1120, 228052), (1136, 224840), (1168, 218680), (1232, 207320), (1408, 181405), (1420, 179872), (1460, 174944), (1540, 165856), (1562, 163520), (1606, 159040), (1760, 145124), (1988, 128480), (2044, 124960), (2240, 114026), (2272, 112420), (2336, 109340), (2464, 103660), (2485, 102784), (2555, 99968), (2840, 89936), (2920, 87472), (3080, 82928), (3124, 81760), (3212, 79520), (3520, 72562), (3905, 65408), (3976, 64240), (4015, 63616), (4088, 62480), (4480, 57013), (4544, 56210), (4672, 54670), (4928, 51830), (4970, 51392), (5110, 49984), (5183, 49280), (5467, 46720), (5621, 45440), (5680, 44968), (5840, 43736), (6160, 41464), (6248, 40880), (6424, 39760), (7040, 36281), (7810, 32704), (7952, 32120), (8030, 31808), (8176, 31240), (9088, 28105), (9344, 27335), (9856, 25915), (9940, 25696), (10220, 24992), (10366, 24640), (10934, 23360), (11242, 22720), (11360, 22484), (11680, 21868), (12320, 20732), (12496, 20440), (12848, 19880), (15620, 16352), (15904, 16060)]