1256002560

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 264

約数和(自身を含む): 4412529576

約数和(自身を除く): 3156527016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 194, 240, 256, 281, 288, 291, 320, 360, 384, 388, 480, 485, 512, 562, 576, 582, 640, 720, 768, 776, 843, 873, 960, 970, 1024, 1124, 1152, 1164, 1280, 1405, 1440, 1455, 1536, 1552, 1686, 1746, 1920, 1940, 2248, 2304, 2328, 2529, 2560, 2810, 2880, 2910, 3072, 3104, 3372, 3492, 3840, 3880, 4215, 4365, 4496, 4608, 4656, 5058, 5120, 5620, 5760, 5820, 6208, 6744, 6984, 7680, 7760, 8430, 8730, 8992, 9216, 9312, 10116, 11240, 11520, 11640, 12416, 12645, 13488, 13968, 15360, 15520, 16860, 17460, 17984, 18624, 20232, 22480, 23040, 23280, 24832, 25290, 26976, 27257, 27936, 31040, 33720, 34920, 35968, 37248, 40464, 44960, 46080, 46560, 49664, 50580, 53952, 54514, 55872, 62080, 67440, 69840, 71936, 74496, 80928, 81771, 89920, 93120, 99328, 101160, 107904, 109028, 111744, 124160, 134880, 136285, 139680, 143872, 148992, 161856, 163542, 179840, 186240, 202320, 215808, 218056, 223488, 245313, 248320, 269760, 272570, 279360, 287744, 297984, 323712, 327084, 359680, 372480, 404640, 408855, 431616, 436112, 446976, 490626, 496640, 539520, 545140, 558720, 647424, 654168, 719360, 744960, 809280, 817710, 863232, 872224, 893952, 981252, 1079040, 1090280, 1117440, 1226565, 1294848, 1308336, 1438720, 1489920, 1618560, 1635420, 1744448, 1962504, 2158080, 2180560, 2234880, 2453130, 2589696, 2616672, 3237120, 3270840, 3488896, 3925008, 4316160, 4361120, 4469760, 4906260, 5233344, 6474240, 6541680, 6977792, 7850016, 8722240, 9812520, 10466688, 12948480, 13083360, 13955584, 15700032, 17444480, 19625040, 20933376, 26166720, 27911168, 31400064, 34888960, 39250080, 41866752, 52333440, 62800128, 69777920, 78500160, 83733504, 104666880, 125600256, 139555840, 157000320, 209333760, 251200512, 314000640, 418667520, 628001280, 1256002560]

約数ペア:

[(1, 1256002560), (2, 628001280), (3, 418667520), (4, 314000640), (5, 251200512), (6, 209333760), (8, 157000320), (9, 139555840), (10, 125600256), (12, 104666880), (15, 83733504), (16, 78500160), (18, 69777920), (20, 62800128), (24, 52333440), (30, 41866752), (32, 39250080), (36, 34888960), (40, 31400064), (45, 27911168), (48, 26166720), (60, 20933376), (64, 19625040), (72, 17444480), (80, 15700032), (90, 13955584), (96, 13083360), (97, 12948480), (120, 10466688), (128, 9812520), (144, 8722240), (160, 7850016), (180, 6977792), (192, 6541680), (194, 6474240), (240, 5233344), (256, 4906260), (281, 4469760), (288, 4361120), (291, 4316160), (320, 3925008), (360, 3488896), (384, 3270840), (388, 3237120), (480, 2616672), (485, 2589696), (512, 2453130), (562, 2234880), (576, 2180560), (582, 2158080), (640, 1962504), (720, 1744448), (768, 1635420), (776, 1618560), (843, 1489920), (873, 1438720), (960, 1308336), (970, 1294848), (1024, 1226565), (1124, 1117440), (1152, 1090280), (1164, 1079040), (1280, 981252), (1405, 893952), (1440, 872224), (1455, 863232), (1536, 817710), (1552, 809280), (1686, 744960), (1746, 719360), (1920, 654168), (1940, 647424), (2248, 558720), (2304, 545140), (2328, 539520), (2529, 496640), (2560, 490626), (2810, 446976), (2880, 436112), (2910, 431616), (3072, 408855), (3104, 404640), (3372, 372480), (3492, 359680), (3840, 327084), (3880, 323712), (4215, 297984), (4365, 287744), (4496, 279360), (4608, 272570), (4656, 269760), (5058, 248320), (5120, 245313), (5620, 223488), (5760, 218056), (5820, 215808), (6208, 202320), (6744, 186240), (6984, 179840), (7680, 163542), (7760, 161856), (8430, 148992), (8730, 143872), (8992, 139680), (9216, 136285), (9312, 134880), (10116, 124160), (11240, 111744), (11520, 109028), (11640, 107904), (12416, 101160), (12645, 99328), (13488, 93120), (13968, 89920), (15360, 81771), (15520, 80928), (16860, 74496), (17460, 71936), (17984, 69840), (18624, 67440), (20232, 62080), (22480, 55872), (23040, 54514), (23280, 53952), (24832, 50580), (25290, 49664), (26976, 46560), (27257, 46080), (27936, 44960), (31040, 40464), (33720, 37248), (34920, 35968)]