128286720

素因数分解:

$2^{15}\times 3^3\times 5^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 256

約数和(自身を含む): 471852000

約数和(自身を除く): 343565280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 256, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 512, 522, 540, 576, 580, 640, 696, 720, 768, 783, 864, 870, 928, 960, 1024, 1044, 1080, 1152, 1160, 1280, 1305, 1392, 1440, 1536, 1566, 1728, 1740, 1856, 1920, 2048, 2088, 2160, 2304, 2320, 2560, 2610, 2784, 2880, 3072, 3132, 3456, 3480, 3712, 3840, 3915, 4096, 4176, 4320, 4608, 4640, 5120, 5220, 5568, 5760, 6144, 6264, 6912, 6960, 7424, 7680, 7830, 8192, 8352, 8640, 9216, 9280, 10240, 10440, 11136, 11520, 12288, 12528, 13824, 13920, 14848, 15360, 15660, 16384, 16704, 17280, 18432, 18560, 20480, 20880, 22272, 23040, 24576, 25056, 27648, 27840, 29696, 30720, 31320, 32768, 33408, 34560, 36864, 37120, 40960, 41760, 44544, 46080, 49152, 50112, 55296, 55680, 59392, 61440, 62640, 66816, 69120, 73728, 74240, 81920, 83520, 89088, 92160, 98304, 100224, 110592, 111360, 118784, 122880, 125280, 133632, 138240, 147456, 148480, 163840, 167040, 178176, 184320, 200448, 221184, 222720, 237568, 245760, 250560, 267264, 276480, 294912, 296960, 334080, 356352, 368640, 400896, 442368, 445440, 475136, 491520, 501120, 534528, 552960, 593920, 668160, 712704, 737280, 801792, 884736, 890880, 950272, 1002240, 1069056, 1105920, 1187840, 1336320, 1425408, 1474560, 1603584, 1781760, 2004480, 2138112, 2211840, 2375680, 2672640, 2850816, 3207168, 3563520, 4008960, 4276224, 4423680, 4751360, 5345280, 6414336, 7127040, 8017920, 8552448, 10690560, 12828672, 14254080, 16035840, 21381120, 25657344, 32071680, 42762240, 64143360, 128286720]

約数ペア:

[(1, 128286720), (2, 64143360), (3, 42762240), (4, 32071680), (5, 25657344), (6, 21381120), (8, 16035840), (9, 14254080), (10, 12828672), (12, 10690560), (15, 8552448), (16, 8017920), (18, 7127040), (20, 6414336), (24, 5345280), (27, 4751360), (29, 4423680), (30, 4276224), (32, 4008960), (36, 3563520), (40, 3207168), (45, 2850816), (48, 2672640), (54, 2375680), (58, 2211840), (60, 2138112), (64, 2004480), (72, 1781760), (80, 1603584), (87, 1474560), (90, 1425408), (96, 1336320), (108, 1187840), (116, 1105920), (120, 1069056), (128, 1002240), (135, 950272), (144, 890880), (145, 884736), (160, 801792), (174, 737280), (180, 712704), (192, 668160), (216, 593920), (232, 552960), (240, 534528), (256, 501120), (261, 491520), (270, 475136), (288, 445440), (290, 442368), (320, 400896), (348, 368640), (360, 356352), (384, 334080), (432, 296960), (435, 294912), (464, 276480), (480, 267264), (512, 250560), (522, 245760), (540, 237568), (576, 222720), (580, 221184), (640, 200448), (696, 184320), (720, 178176), (768, 167040), (783, 163840), (864, 148480), (870, 147456), (928, 138240), (960, 133632), (1024, 125280), (1044, 122880), (1080, 118784), (1152, 111360), (1160, 110592), (1280, 100224), (1305, 98304), (1392, 92160), (1440, 89088), (1536, 83520), (1566, 81920), (1728, 74240), (1740, 73728), (1856, 69120), (1920, 66816), (2048, 62640), (2088, 61440), (2160, 59392), (2304, 55680), (2320, 55296), (2560, 50112), (2610, 49152), (2784, 46080), (2880, 44544), (3072, 41760), (3132, 40960), (3456, 37120), (3480, 36864), (3712, 34560), (3840, 33408), (3915, 32768), (4096, 31320), (4176, 30720), (4320, 29696), (4608, 27840), (4640, 27648), (5120, 25056), (5220, 24576), (5568, 23040), (5760, 22272), (6144, 20880), (6264, 20480), (6912, 18560), (6960, 18432), (7424, 17280), (7680, 16704), (7830, 16384), (8192, 15660), (8352, 15360), (8640, 14848), (9216, 13920), (9280, 13824), (10240, 12528), (10440, 12288), (11136, 11520)]