1999749120

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 6542914560

約数和(自身を除く): 4543165440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 103, 120, 128, 158, 160, 192, 206, 237, 240, 256, 309, 316, 320, 384, 395, 412, 474, 480, 512, 515, 618, 632, 640, 768, 790, 824, 948, 960, 1024, 1030, 1185, 1236, 1264, 1280, 1536, 1545, 1580, 1648, 1896, 1920, 2048, 2060, 2370, 2472, 2528, 2560, 3072, 3090, 3160, 3296, 3792, 3840, 4096, 4120, 4740, 4944, 5056, 5120, 6144, 6180, 6320, 6592, 7584, 7680, 8137, 8192, 8240, 9480, 9888, 10112, 10240, 12288, 12360, 12640, 13184, 15168, 15360, 16274, 16384, 16480, 18960, 19776, 20224, 20480, 24411, 24576, 24720, 25280, 26368, 30336, 30720, 32548, 32960, 37920, 39552, 40448, 40685, 40960, 48822, 49152, 49440, 50560, 52736, 60672, 61440, 65096, 65920, 75840, 79104, 80896, 81370, 81920, 97644, 98880, 101120, 105472, 121344, 122055, 122880, 130192, 131840, 151680, 158208, 161792, 162740, 195288, 197760, 202240, 210944, 242688, 244110, 245760, 260384, 263680, 303360, 316416, 323584, 325480, 390576, 395520, 404480, 421888, 485376, 488220, 520768, 527360, 606720, 632832, 647168, 650960, 781152, 791040, 808960, 843776, 970752, 976440, 1041536, 1054720, 1213440, 1265664, 1294336, 1301920, 1562304, 1582080, 1617920, 1687552, 1941504, 1952880, 2083072, 2109440, 2426880, 2531328, 2603840, 3124608, 3164160, 3235840, 3883008, 3905760, 4166144, 4218880, 4853760, 5062656, 5207680, 6249216, 6328320, 6471680, 7811520, 8332288, 8437760, 9707520, 10415360, 12498432, 12656640, 15623040, 16664576, 19415040, 20830720, 24996864, 25313280, 31246080, 33329152, 41661440, 49993728, 62492160, 66658304, 83322880, 99987456, 124984320, 133316608, 166645760, 199974912, 249968640, 333291520, 399949824, 499937280, 666583040, 999874560, 1999749120]

約数ペア:

[(1, 1999749120), (2, 999874560), (3, 666583040), (4, 499937280), (5, 399949824), (6, 333291520), (8, 249968640), (10, 199974912), (12, 166645760), (15, 133316608), (16, 124984320), (20, 99987456), (24, 83322880), (30, 66658304), (32, 62492160), (40, 49993728), (48, 41661440), (60, 33329152), (64, 31246080), (79, 25313280), (80, 24996864), (96, 20830720), (103, 19415040), (120, 16664576), (128, 15623040), (158, 12656640), (160, 12498432), (192, 10415360), (206, 9707520), (237, 8437760), (240, 8332288), (256, 7811520), (309, 6471680), (316, 6328320), (320, 6249216), (384, 5207680), (395, 5062656), (412, 4853760), (474, 4218880), (480, 4166144), (512, 3905760), (515, 3883008), (618, 3235840), (632, 3164160), (640, 3124608), (768, 2603840), (790, 2531328), (824, 2426880), (948, 2109440), (960, 2083072), (1024, 1952880), (1030, 1941504), (1185, 1687552), (1236, 1617920), (1264, 1582080), (1280, 1562304), (1536, 1301920), (1545, 1294336), (1580, 1265664), (1648, 1213440), (1896, 1054720), (1920, 1041536), (2048, 976440), (2060, 970752), (2370, 843776), (2472, 808960), (2528, 791040), (2560, 781152), (3072, 650960), (3090, 647168), (3160, 632832), (3296, 606720), (3792, 527360), (3840, 520768), (4096, 488220), (4120, 485376), (4740, 421888), (4944, 404480), (5056, 395520), (5120, 390576), (6144, 325480), (6180, 323584), (6320, 316416), (6592, 303360), (7584, 263680), (7680, 260384), (8137, 245760), (8192, 244110), (8240, 242688), (9480, 210944), (9888, 202240), (10112, 197760), (10240, 195288), (12288, 162740), (12360, 161792), (12640, 158208), (13184, 151680), (15168, 131840), (15360, 130192), (16274, 122880), (16384, 122055), (16480, 121344), (18960, 105472), (19776, 101120), (20224, 98880), (20480, 97644), (24411, 81920), (24576, 81370), (24720, 80896), (25280, 79104), (26368, 75840), (30336, 65920), (30720, 65096), (32548, 61440), (32960, 60672), (37920, 52736), (39552, 50560), (40448, 49440), (40685, 49152), (40960, 48822)]