205165440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 256

約数和(自身を含む): 752025600

約数和(自身を除く): 546860160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 383, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 766, 837, 864, 930, 960, 992, 1080, 1116, 1149, 1152, 1240, 1395, 1440, 1488, 1532, 1674, 1728, 1860, 1915, 1920, 1984, 2160, 2232, 2298, 2480, 2790, 2880, 2976, 3064, 3348, 3447, 3456, 3720, 3830, 3968, 4185, 4320, 4464, 4596, 4960, 5580, 5745, 5760, 5952, 6128, 6696, 6894, 7440, 7660, 8370, 8640, 8928, 9192, 9920, 10341, 11160, 11490, 11873, 11904, 12256, 13392, 13788, 14880, 15320, 16740, 17235, 17280, 17856, 18384, 19840, 20682, 22320, 22980, 23746, 24512, 26784, 27576, 29760, 30640, 33480, 34470, 35619, 35712, 36768, 41364, 44640, 45960, 47492, 49024, 51705, 53568, 55152, 59365, 59520, 61280, 66960, 68940, 71238, 73536, 82728, 89280, 91920, 94984, 103410, 106857, 107136, 110304, 118730, 122560, 133920, 137880, 142476, 147072, 165456, 178095, 178560, 183840, 189968, 206820, 213714, 220608, 237460, 245120, 267840, 275760, 284952, 320571, 330912, 356190, 367680, 379936, 413640, 427428, 441216, 474920, 534285, 535680, 551520, 569904, 641142, 661824, 712380, 735360, 759872, 827280, 854856, 949840, 1068570, 1103040, 1139808, 1282284, 1323648, 1424760, 1519744, 1602855, 1654560, 1709712, 1899680, 2137140, 2206080, 2279616, 2564568, 2849520, 3205710, 3309120, 3419424, 3799360, 4274280, 4559232, 5129136, 5699040, 6411420, 6618240, 6838848, 7598720, 8548560, 10258272, 11398080, 12822840, 13677696, 17097120, 20516544, 22796160, 25645680, 34194240, 41033088, 51291360, 68388480, 102582720, 205165440]

約数ペア:

[(1, 205165440), (2, 102582720), (3, 68388480), (4, 51291360), (5, 41033088), (6, 34194240), (8, 25645680), (9, 22796160), (10, 20516544), (12, 17097120), (15, 13677696), (16, 12822840), (18, 11398080), (20, 10258272), (24, 8548560), (27, 7598720), (30, 6838848), (31, 6618240), (32, 6411420), (36, 5699040), (40, 5129136), (45, 4559232), (48, 4274280), (54, 3799360), (60, 3419424), (62, 3309120), (64, 3205710), (72, 2849520), (80, 2564568), (90, 2279616), (93, 2206080), (96, 2137140), (108, 1899680), (120, 1709712), (124, 1654560), (128, 1602855), (135, 1519744), (144, 1424760), (155, 1323648), (160, 1282284), (180, 1139808), (186, 1103040), (192, 1068570), (216, 949840), (240, 854856), (248, 827280), (270, 759872), (279, 735360), (288, 712380), (310, 661824), (320, 641142), (360, 569904), (372, 551520), (383, 535680), (384, 534285), (432, 474920), (465, 441216), (480, 427428), (496, 413640), (540, 379936), (558, 367680), (576, 356190), (620, 330912), (640, 320571), (720, 284952), (744, 275760), (766, 267840), (837, 245120), (864, 237460), (930, 220608), (960, 213714), (992, 206820), (1080, 189968), (1116, 183840), (1149, 178560), (1152, 178095), (1240, 165456), (1395, 147072), (1440, 142476), (1488, 137880), (1532, 133920), (1674, 122560), (1728, 118730), (1860, 110304), (1915, 107136), (1920, 106857), (1984, 103410), (2160, 94984), (2232, 91920), (2298, 89280), (2480, 82728), (2790, 73536), (2880, 71238), (2976, 68940), (3064, 66960), (3348, 61280), (3447, 59520), (3456, 59365), (3720, 55152), (3830, 53568), (3968, 51705), (4185, 49024), (4320, 47492), (4464, 45960), (4596, 44640), (4960, 41364), (5580, 36768), (5745, 35712), (5760, 35619), (5952, 34470), (6128, 33480), (6696, 30640), (6894, 29760), (7440, 27576), (7660, 26784), (8370, 24512), (8640, 23746), (8928, 22980), (9192, 22320), (9920, 20682), (10341, 19840), (11160, 18384), (11490, 17856), (11873, 17280), (11904, 17235), (12256, 16740), (13392, 15320), (13788, 14880)]