638115840

素因数分解:

$2^{13}\times 3^3\times 5^1\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 224

約数和(自身を含む): 2272649760

約数和(自身を除く): 1634533920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 577, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1154, 1280, 1440, 1536, 1728, 1731, 1920, 2048, 2160, 2304, 2308, 2560, 2880, 2885, 3072, 3456, 3462, 3840, 4096, 4320, 4608, 4616, 5120, 5193, 5760, 5770, 6144, 6912, 6924, 7680, 8192, 8640, 8655, 9216, 9232, 10240, 10386, 11520, 11540, 12288, 13824, 13848, 15360, 15579, 17280, 17310, 18432, 18464, 20480, 20772, 23040, 23080, 24576, 25965, 27648, 27696, 30720, 31158, 34560, 34620, 36864, 36928, 40960, 41544, 46080, 46160, 51930, 55296, 55392, 61440, 62316, 69120, 69240, 73728, 73856, 77895, 83088, 92160, 92320, 103860, 110592, 110784, 122880, 124632, 138240, 138480, 147712, 155790, 166176, 184320, 184640, 207720, 221184, 221568, 249264, 276480, 276960, 295424, 311580, 332352, 368640, 369280, 415440, 443136, 498528, 552960, 553920, 590848, 623160, 664704, 738560, 830880, 886272, 997056, 1105920, 1107840, 1181696, 1246320, 1329408, 1477120, 1661760, 1772544, 1994112, 2215680, 2363392, 2492640, 2658816, 2954240, 3323520, 3545088, 3988224, 4431360, 4726784, 4985280, 5317632, 5908480, 6647040, 7090176, 7976448, 8862720, 9970560, 10635264, 11816960, 13294080, 14180352, 15952896, 17725440, 19941120, 21270528, 23633920, 26588160, 31905792, 35450880, 39882240, 42541056, 53176320, 63811584, 70901760, 79764480, 106352640, 127623168, 159528960, 212705280, 319057920, 638115840]

約数ペア:

[(1, 638115840), (2, 319057920), (3, 212705280), (4, 159528960), (5, 127623168), (6, 106352640), (8, 79764480), (9, 70901760), (10, 63811584), (12, 53176320), (15, 42541056), (16, 39882240), (18, 35450880), (20, 31905792), (24, 26588160), (27, 23633920), (30, 21270528), (32, 19941120), (36, 17725440), (40, 15952896), (45, 14180352), (48, 13294080), (54, 11816960), (60, 10635264), (64, 9970560), (72, 8862720), (80, 7976448), (90, 7090176), (96, 6647040), (108, 5908480), (120, 5317632), (128, 4985280), (135, 4726784), (144, 4431360), (160, 3988224), (180, 3545088), (192, 3323520), (216, 2954240), (240, 2658816), (256, 2492640), (270, 2363392), (288, 2215680), (320, 1994112), (360, 1772544), (384, 1661760), (432, 1477120), (480, 1329408), (512, 1246320), (540, 1181696), (576, 1107840), (577, 1105920), (640, 997056), (720, 886272), (768, 830880), (864, 738560), (960, 664704), (1024, 623160), (1080, 590848), (1152, 553920), (1154, 552960), (1280, 498528), (1440, 443136), (1536, 415440), (1728, 369280), (1731, 368640), (1920, 332352), (2048, 311580), (2160, 295424), (2304, 276960), (2308, 276480), (2560, 249264), (2880, 221568), (2885, 221184), (3072, 207720), (3456, 184640), (3462, 184320), (3840, 166176), (4096, 155790), (4320, 147712), (4608, 138480), (4616, 138240), (5120, 124632), (5193, 122880), (5760, 110784), (5770, 110592), (6144, 103860), (6912, 92320), (6924, 92160), (7680, 83088), (8192, 77895), (8640, 73856), (8655, 73728), (9216, 69240), (9232, 69120), (10240, 62316), (10386, 61440), (11520, 55392), (11540, 55296), (12288, 51930), (13824, 46160), (13848, 46080), (15360, 41544), (15579, 40960), (17280, 36928), (17310, 36864), (18432, 34620), (18464, 34560), (20480, 31158), (20772, 30720), (23040, 27696), (23080, 27648), (24576, 25965)]