255697920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 264

約数和(自身を含む): 919676160

約数和(自身を除く): 663978240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 179, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 358, 360, 372, 384, 465, 480, 496, 512, 537, 558, 576, 620, 640, 716, 720, 744, 768, 895, 930, 960, 992, 1024, 1074, 1116, 1152, 1240, 1280, 1395, 1432, 1440, 1488, 1536, 1611, 1790, 1860, 1920, 1984, 2148, 2232, 2304, 2480, 2560, 2685, 2790, 2864, 2880, 2976, 3072, 3222, 3580, 3720, 3840, 3968, 4296, 4464, 4608, 4960, 5120, 5370, 5549, 5580, 5728, 5760, 5952, 6444, 7160, 7440, 7680, 7936, 8055, 8592, 8928, 9216, 9920, 10740, 11098, 11160, 11456, 11520, 11904, 12888, 14320, 14880, 15360, 15872, 16110, 16647, 17184, 17856, 19840, 21480, 22196, 22320, 22912, 23040, 23808, 25776, 27745, 28640, 29760, 31744, 32220, 33294, 34368, 35712, 39680, 42960, 44392, 44640, 45824, 46080, 47616, 49941, 51552, 55490, 57280, 59520, 64440, 66588, 68736, 71424, 79360, 83235, 85920, 88784, 89280, 91648, 95232, 99882, 103104, 110980, 114560, 119040, 128880, 133176, 137472, 142848, 158720, 166470, 171840, 177568, 178560, 183296, 199764, 206208, 221960, 229120, 238080, 249705, 257760, 266352, 274944, 285696, 332940, 343680, 355136, 357120, 399528, 412416, 443920, 458240, 476160, 499410, 515520, 532704, 549888, 665880, 687360, 710272, 714240, 799056, 824832, 887840, 916480, 998820, 1031040, 1065408, 1331760, 1374720, 1420544, 1428480, 1598112, 1649664, 1775680, 1997640, 2062080, 2130816, 2663520, 2749440, 2841088, 3196224, 3551360, 3995280, 4124160, 4261632, 5327040, 5682176, 6392448, 7102720, 7990560, 8248320, 8523264, 10654080, 12784896, 14205440, 15981120, 17046528, 21308160, 25569792, 28410880, 31962240, 42616320, 51139584, 63924480, 85232640, 127848960, 255697920]

約数ペア:

[(1, 255697920), (2, 127848960), (3, 85232640), (4, 63924480), (5, 51139584), (6, 42616320), (8, 31962240), (9, 28410880), (10, 25569792), (12, 21308160), (15, 17046528), (16, 15981120), (18, 14205440), (20, 12784896), (24, 10654080), (30, 8523264), (31, 8248320), (32, 7990560), (36, 7102720), (40, 6392448), (45, 5682176), (48, 5327040), (60, 4261632), (62, 4124160), (64, 3995280), (72, 3551360), (80, 3196224), (90, 2841088), (93, 2749440), (96, 2663520), (120, 2130816), (124, 2062080), (128, 1997640), (144, 1775680), (155, 1649664), (160, 1598112), (179, 1428480), (180, 1420544), (186, 1374720), (192, 1331760), (240, 1065408), (248, 1031040), (256, 998820), (279, 916480), (288, 887840), (310, 824832), (320, 799056), (358, 714240), (360, 710272), (372, 687360), (384, 665880), (465, 549888), (480, 532704), (496, 515520), (512, 499410), (537, 476160), (558, 458240), (576, 443920), (620, 412416), (640, 399528), (716, 357120), (720, 355136), (744, 343680), (768, 332940), (895, 285696), (930, 274944), (960, 266352), (992, 257760), (1024, 249705), (1074, 238080), (1116, 229120), (1152, 221960), (1240, 206208), (1280, 199764), (1395, 183296), (1432, 178560), (1440, 177568), (1488, 171840), (1536, 166470), (1611, 158720), (1790, 142848), (1860, 137472), (1920, 133176), (1984, 128880), (2148, 119040), (2232, 114560), (2304, 110980), (2480, 103104), (2560, 99882), (2685, 95232), (2790, 91648), (2864, 89280), (2880, 88784), (2976, 85920), (3072, 83235), (3222, 79360), (3580, 71424), (3720, 68736), (3840, 66588), (3968, 64440), (4296, 59520), (4464, 57280), (4608, 55490), (4960, 51552), (5120, 49941), (5370, 47616), (5549, 46080), (5580, 45824), (5728, 44640), (5760, 44392), (5952, 42960), (6444, 39680), (7160, 35712), (7440, 34368), (7680, 33294), (7936, 32220), (8055, 31744), (8592, 29760), (8928, 28640), (9216, 27745), (9920, 25776), (10740, 23808), (11098, 23040), (11160, 22912), (11456, 22320), (11520, 22196), (11904, 21480), (12888, 19840), (14320, 17856), (14880, 17184), (15360, 16647), (15872, 16110)]