280597680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 240

約数和(自身を含む): 1044576000

約数和(自身を除く): 763978320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 142, 144, 165, 176, 180, 198, 213, 220, 240, 264, 284, 330, 355, 360, 396, 426, 440, 495, 499, 528, 568, 639, 660, 710, 720, 781, 792, 852, 880, 990, 998, 1065, 1136, 1278, 1320, 1420, 1497, 1562, 1584, 1704, 1980, 1996, 2130, 2343, 2495, 2556, 2640, 2840, 2994, 3124, 3195, 3408, 3905, 3960, 3992, 4260, 4491, 4686, 4990, 5112, 5489, 5680, 5988, 6248, 6390, 7029, 7485, 7810, 7920, 7984, 8520, 8982, 9372, 9980, 10224, 10978, 11715, 11976, 12496, 12780, 14058, 14970, 15620, 16467, 17040, 17964, 18744, 19960, 21956, 22455, 23430, 23952, 25560, 27445, 28116, 29940, 31240, 32934, 35145, 35429, 35928, 37488, 39920, 43912, 44910, 46860, 49401, 51120, 54890, 56232, 59880, 62480, 65868, 70290, 70858, 71856, 82335, 87824, 89820, 93720, 98802, 106287, 109780, 112464, 119760, 131736, 140580, 141716, 164670, 177145, 179640, 187440, 197604, 212574, 219560, 247005, 263472, 281160, 283432, 318861, 329340, 354290, 359280, 389719, 395208, 425148, 439120, 494010, 531435, 562320, 566864, 637722, 658680, 708580, 779438, 790416, 850296, 988020, 1062870, 1169157, 1275444, 1317360, 1417160, 1558876, 1594305, 1700592, 1948595, 1976040, 2125740, 2338314, 2550888, 2834320, 3117752, 3188610, 3507471, 3897190, 3952080, 4251480, 4676628, 5101776, 5845785, 6235504, 6377220, 7014942, 7794380, 8502960, 9353256, 11691570, 12754440, 14029884, 15588760, 17537355, 18706512, 23383140, 25508880, 28059768, 31177520, 35074710, 46766280, 56119536, 70149420, 93532560, 140298840, 280597680]

約数ペア:

[(1, 280597680), (2, 140298840), (3, 93532560), (4, 70149420), (5, 56119536), (6, 46766280), (8, 35074710), (9, 31177520), (10, 28059768), (11, 25508880), (12, 23383140), (15, 18706512), (16, 17537355), (18, 15588760), (20, 14029884), (22, 12754440), (24, 11691570), (30, 9353256), (33, 8502960), (36, 7794380), (40, 7014942), (44, 6377220), (45, 6235504), (48, 5845785), (55, 5101776), (60, 4676628), (66, 4251480), (71, 3952080), (72, 3897190), (80, 3507471), (88, 3188610), (90, 3117752), (99, 2834320), (110, 2550888), (120, 2338314), (132, 2125740), (142, 1976040), (144, 1948595), (165, 1700592), (176, 1594305), (180, 1558876), (198, 1417160), (213, 1317360), (220, 1275444), (240, 1169157), (264, 1062870), (284, 988020), (330, 850296), (355, 790416), (360, 779438), (396, 708580), (426, 658680), (440, 637722), (495, 566864), (499, 562320), (528, 531435), (568, 494010), (639, 439120), (660, 425148), (710, 395208), (720, 389719), (781, 359280), (792, 354290), (852, 329340), (880, 318861), (990, 283432), (998, 281160), (1065, 263472), (1136, 247005), (1278, 219560), (1320, 212574), (1420, 197604), (1497, 187440), (1562, 179640), (1584, 177145), (1704, 164670), (1980, 141716), (1996, 140580), (2130, 131736), (2343, 119760), (2495, 112464), (2556, 109780), (2640, 106287), (2840, 98802), (2994, 93720), (3124, 89820), (3195, 87824), (3408, 82335), (3905, 71856), (3960, 70858), (3992, 70290), (4260, 65868), (4491, 62480), (4686, 59880), (4990, 56232), (5112, 54890), (5489, 51120), (5680, 49401), (5988, 46860), (6248, 44910), (6390, 43912), (7029, 39920), (7485, 37488), (7810, 35928), (7920, 35429), (7984, 35145), (8520, 32934), (8982, 31240), (9372, 29940), (9980, 28116), (10224, 27445), (10978, 25560), (11715, 23952), (11976, 23430), (12496, 22455), (12780, 21956), (14058, 19960), (14970, 18744), (15620, 17964), (16467, 17040)]