128638080

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 192

約数和(自身を含む): 463993920

約数和(自身を除く): 335355840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 828, 920, 960, 971, 1035, 1104, 1152, 1380, 1440, 1472, 1656, 1840, 1920, 1942, 2070, 2208, 2760, 2880, 2913, 2944, 3312, 3680, 3884, 4140, 4416, 4855, 5520, 5760, 5826, 6624, 7360, 7768, 8280, 8739, 8832, 9710, 11040, 11652, 13248, 14565, 14720, 15536, 16560, 17478, 19420, 22080, 22333, 23304, 26496, 29130, 31072, 33120, 34956, 38840, 43695, 44160, 44666, 46608, 58260, 62144, 66240, 66999, 69912, 77680, 87390, 89332, 93216, 111665, 116520, 124288, 132480, 133998, 139824, 155360, 174780, 178664, 186432, 200997, 223330, 233040, 267996, 279648, 310720, 334995, 349560, 357328, 372864, 401994, 446660, 466080, 535992, 559296, 621440, 669990, 699120, 714656, 803988, 893320, 932160, 1004985, 1071984, 1118592, 1339980, 1398240, 1429312, 1607976, 1786640, 1864320, 2009970, 2143968, 2679960, 2796480, 2858624, 3215952, 3573280, 4019940, 4287936, 5359920, 5592960, 6431904, 7146560, 8039880, 8575872, 10719840, 12863808, 14293120, 16079760, 21439680, 25727616, 32159520, 42879360, 64319040, 128638080]

約数ペア:

[(1, 128638080), (2, 64319040), (3, 42879360), (4, 32159520), (5, 25727616), (6, 21439680), (8, 16079760), (9, 14293120), (10, 12863808), (12, 10719840), (15, 8575872), (16, 8039880), (18, 7146560), (20, 6431904), (23, 5592960), (24, 5359920), (30, 4287936), (32, 4019940), (36, 3573280), (40, 3215952), (45, 2858624), (46, 2796480), (48, 2679960), (60, 2143968), (64, 2009970), (69, 1864320), (72, 1786640), (80, 1607976), (90, 1429312), (92, 1398240), (96, 1339980), (115, 1118592), (120, 1071984), (128, 1004985), (138, 932160), (144, 893320), (160, 803988), (180, 714656), (184, 699120), (192, 669990), (207, 621440), (230, 559296), (240, 535992), (276, 466080), (288, 446660), (320, 401994), (345, 372864), (360, 357328), (368, 349560), (384, 334995), (414, 310720), (460, 279648), (480, 267996), (552, 233040), (576, 223330), (640, 200997), (690, 186432), (720, 178664), (736, 174780), (828, 155360), (920, 139824), (960, 133998), (971, 132480), (1035, 124288), (1104, 116520), (1152, 111665), (1380, 93216), (1440, 89332), (1472, 87390), (1656, 77680), (1840, 69912), (1920, 66999), (1942, 66240), (2070, 62144), (2208, 58260), (2760, 46608), (2880, 44666), (2913, 44160), (2944, 43695), (3312, 38840), (3680, 34956), (3884, 33120), (4140, 31072), (4416, 29130), (4855, 26496), (5520, 23304), (5760, 22333), (5826, 22080), (6624, 19420), (7360, 17478), (7768, 16560), (8280, 15536), (8739, 14720), (8832, 14565), (9710, 13248), (11040, 11652)]