256766400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1660

約数の個数: 252

約数和(自身を含む): 996186984

約数和(自身を除く): 739420584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 64, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 192, 198, 200, 220, 225, 240, 264, 275, 288, 300, 320, 330, 352, 360, 396, 400, 440, 450, 480, 495, 528, 550, 576, 600, 660, 704, 720, 792, 800, 825, 880, 900, 960, 990, 1056, 1100, 1200, 1320, 1440, 1584, 1600, 1621, 1650, 1760, 1800, 1980, 2112, 2200, 2400, 2475, 2640, 2880, 3168, 3242, 3300, 3520, 3600, 3960, 4400, 4800, 4863, 4950, 5280, 6336, 6484, 6600, 7200, 7920, 8105, 8800, 9726, 9900, 10560, 12968, 13200, 14400, 14589, 15840, 16210, 17600, 17831, 19452, 19800, 24315, 25936, 26400, 29178, 31680, 32420, 35662, 38904, 39600, 40525, 48630, 51872, 52800, 53493, 58356, 64840, 71324, 72945, 77808, 79200, 81050, 89155, 97260, 103744, 106986, 116712, 121575, 129680, 142648, 145890, 155616, 158400, 160479, 162100, 178310, 194520, 213972, 233424, 243150, 259360, 267465, 285296, 291780, 311232, 320958, 324200, 356620, 364725, 389040, 427944, 445775, 466848, 486300, 518720, 534930, 570592, 583560, 641916, 648400, 713240, 729450, 778080, 802395, 855888, 891550, 933696, 972600, 1069860, 1141184, 1167120, 1283832, 1296800, 1337325, 1426480, 1458900, 1556160, 1604790, 1711776, 1783100, 1945200, 2139720, 2334240, 2567664, 2593600, 2674650, 2852960, 2917800, 3209580, 3423552, 3566200, 3890400, 4011975, 4279440, 4668480, 5135328, 5349300, 5705920, 5835600, 6419160, 7132400, 7780800, 8023950, 8558880, 10270656, 10698600, 11671200, 12838320, 14264800, 16047900, 17117760, 21397200, 23342400, 25676640, 28529600, 32095800, 42794400, 51353280, 64191600, 85588800, 128383200, 256766400]

約数ペア:

[(1, 256766400), (2, 128383200), (3, 85588800), (4, 64191600), (5, 51353280), (6, 42794400), (8, 32095800), (9, 28529600), (10, 25676640), (11, 23342400), (12, 21397200), (15, 17117760), (16, 16047900), (18, 14264800), (20, 12838320), (22, 11671200), (24, 10698600), (25, 10270656), (30, 8558880), (32, 8023950), (33, 7780800), (36, 7132400), (40, 6419160), (44, 5835600), (45, 5705920), (48, 5349300), (50, 5135328), (55, 4668480), (60, 4279440), (64, 4011975), (66, 3890400), (72, 3566200), (75, 3423552), (80, 3209580), (88, 2917800), (90, 2852960), (96, 2674650), (99, 2593600), (100, 2567664), (110, 2334240), (120, 2139720), (132, 1945200), (144, 1783100), (150, 1711776), (160, 1604790), (165, 1556160), (176, 1458900), (180, 1426480), (192, 1337325), (198, 1296800), (200, 1283832), (220, 1167120), (225, 1141184), (240, 1069860), (264, 972600), (275, 933696), (288, 891550), (300, 855888), (320, 802395), (330, 778080), (352, 729450), (360, 713240), (396, 648400), (400, 641916), (440, 583560), (450, 570592), (480, 534930), (495, 518720), (528, 486300), (550, 466848), (576, 445775), (600, 427944), (660, 389040), (704, 364725), (720, 356620), (792, 324200), (800, 320958), (825, 311232), (880, 291780), (900, 285296), (960, 267465), (990, 259360), (1056, 243150), (1100, 233424), (1200, 213972), (1320, 194520), (1440, 178310), (1584, 162100), (1600, 160479), (1621, 158400), (1650, 155616), (1760, 145890), (1800, 142648), (1980, 129680), (2112, 121575), (2200, 116712), (2400, 106986), (2475, 103744), (2640, 97260), (2880, 89155), (3168, 81050), (3242, 79200), (3300, 77808), (3520, 72945), (3600, 71324), (3960, 64840), (4400, 58356), (4800, 53493), (4863, 52800), (4950, 51872), (5280, 48630), (6336, 40525), (6484, 39600), (6600, 38904), (7200, 35662), (7920, 32420), (8105, 31680), (8800, 29178), (9726, 26400), (9900, 25936), (10560, 24315), (12968, 19800), (13200, 19452), (14400, 17831), (14589, 17600), (15840, 16210)]