123137280

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 288

約数和(自身を含む): 500371200

約数和(自身を除く): 377233920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 509, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1018, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1527, 1680, 1728, 1792, 1890, 1920, 2016, 2036, 2160, 2240, 2304, 2520, 2545, 2688, 2880, 3024, 3054, 3360, 3456, 3563, 3780, 3840, 4032, 4072, 4320, 4480, 4581, 5040, 5090, 5376, 5760, 6048, 6108, 6720, 6912, 7126, 7560, 7635, 8064, 8144, 8640, 8960, 9162, 10080, 10180, 10689, 11520, 12096, 12216, 13440, 13743, 14252, 15120, 15270, 16128, 16288, 17280, 17815, 18324, 20160, 20360, 21378, 22905, 24192, 24432, 26880, 27486, 28504, 30240, 30540, 32067, 32576, 34560, 35630, 36648, 40320, 40720, 42756, 45810, 48384, 48864, 53445, 54972, 57008, 60480, 61080, 64134, 65152, 68715, 71260, 73296, 80640, 81440, 85512, 91620, 96201, 97728, 106890, 109944, 114016, 120960, 122160, 128268, 130304, 137430, 142520, 146592, 160335, 162880, 171024, 183240, 192402, 195456, 213780, 219888, 228032, 241920, 244320, 256536, 274860, 285040, 293184, 320670, 325760, 342048, 366480, 384804, 390912, 427560, 439776, 456064, 481005, 488640, 513072, 549720, 570080, 586368, 641340, 651520, 684096, 732960, 769608, 855120, 879552, 912128, 962010, 977280, 1026144, 1099440, 1140160, 1172736, 1282680, 1368192, 1465920, 1539216, 1710240, 1759104, 1924020, 1954560, 2052288, 2198880, 2280320, 2565360, 2736384, 2931840, 3078432, 3420480, 3518208, 3848040, 4104576, 4397760, 4560640, 5130720, 5863680, 6156864, 6840960, 7696080, 8209152, 8795520, 10261440, 12313728, 13681920, 15392160, 17591040, 20522880, 24627456, 30784320, 41045760, 61568640, 123137280]

約数ペア:

[(1, 123137280), (2, 61568640), (3, 41045760), (4, 30784320), (5, 24627456), (6, 20522880), (7, 17591040), (8, 15392160), (9, 13681920), (10, 12313728), (12, 10261440), (14, 8795520), (15, 8209152), (16, 7696080), (18, 6840960), (20, 6156864), (21, 5863680), (24, 5130720), (27, 4560640), (28, 4397760), (30, 4104576), (32, 3848040), (35, 3518208), (36, 3420480), (40, 3078432), (42, 2931840), (45, 2736384), (48, 2565360), (54, 2280320), (56, 2198880), (60, 2052288), (63, 1954560), (64, 1924020), (70, 1759104), (72, 1710240), (80, 1539216), (84, 1465920), (90, 1368192), (96, 1282680), (105, 1172736), (108, 1140160), (112, 1099440), (120, 1026144), (126, 977280), (128, 962010), (135, 912128), (140, 879552), (144, 855120), (160, 769608), (168, 732960), (180, 684096), (189, 651520), (192, 641340), (210, 586368), (216, 570080), (224, 549720), (240, 513072), (252, 488640), (256, 481005), (270, 456064), (280, 439776), (288, 427560), (315, 390912), (320, 384804), (336, 366480), (360, 342048), (378, 325760), (384, 320670), (420, 293184), (432, 285040), (448, 274860), (480, 256536), (504, 244320), (509, 241920), (540, 228032), (560, 219888), (576, 213780), (630, 195456), (640, 192402), (672, 183240), (720, 171024), (756, 162880), (768, 160335), (840, 146592), (864, 142520), (896, 137430), (945, 130304), (960, 128268), (1008, 122160), (1018, 120960), (1080, 114016), (1120, 109944), (1152, 106890), (1260, 97728), (1280, 96201), (1344, 91620), (1440, 85512), (1512, 81440), (1527, 80640), (1680, 73296), (1728, 71260), (1792, 68715), (1890, 65152), (1920, 64134), (2016, 61080), (2036, 60480), (2160, 57008), (2240, 54972), (2304, 53445), (2520, 48864), (2545, 48384), (2688, 45810), (2880, 42756), (3024, 40720), (3054, 40320), (3360, 36648), (3456, 35630), (3563, 34560), (3780, 32576), (3840, 32067), (4032, 30540), (4072, 30240), (4320, 28504), (4480, 27486), (4581, 26880), (5040, 24432), (5090, 24192), (5376, 22905), (5760, 21378), (6048, 20360), (6108, 20160), (6720, 18324), (6912, 17815), (7126, 17280), (7560, 16288), (7635, 16128), (8064, 15270), (8144, 15120), (8640, 14252), (8960, 13743), (9162, 13440), (10080, 12216), (10180, 12096), (10689, 11520)]