208768320

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 224

約数和(自身を含む): 748832640

約数和(自身を除く): 540064320

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, 73, 80, 90, 96, 108, 120, 135, 144, 146, 160, 180, 192, 216, 219, 240, 270, 288, 292, 320, 331, 360, 365, 432, 438, 480, 540, 576, 584, 657, 662, 720, 730, 864, 876, 960, 993, 1080, 1095, 1168, 1314, 1324, 1440, 1460, 1655, 1728, 1752, 1971, 1986, 2160, 2190, 2336, 2628, 2648, 2880, 2920, 2979, 3285, 3310, 3504, 3942, 3972, 4320, 4380, 4672, 4965, 5256, 5296, 5840, 5958, 6570, 6620, 7008, 7884, 7944, 8640, 8760, 8937, 9855, 9930, 10512, 10592, 11680, 11916, 13140, 13240, 14016, 14895, 15768, 15888, 17520, 17874, 19710, 19860, 21024, 21184, 23360, 23832, 24163, 26280, 26480, 29790, 31536, 31776, 35040, 35748, 39420, 39720, 42048, 44685, 47664, 48326, 52560, 52960, 59580, 63072, 63552, 70080, 71496, 72489, 78840, 79440, 89370, 95328, 96652, 105120, 105920, 119160, 120815, 126144, 142992, 144978, 157680, 158880, 178740, 190656, 193304, 210240, 217467, 238320, 241630, 285984, 289956, 315360, 317760, 357480, 362445, 386608, 434934, 476640, 483260, 571968, 579912, 630720, 652401, 714960, 724890, 773216, 869868, 953280, 966520, 1087335, 1159824, 1304802, 1429920, 1449780, 1546432, 1739736, 1933040, 2174670, 2319648, 2609604, 2859840, 2899560, 3262005, 3479472, 3866080, 4349340, 4639296, 5219208, 5799120, 6524010, 6958944, 7732160, 8698680, 10438416, 11598240, 13048020, 13917888, 17397360, 20876832, 23196480, 26096040, 34794720, 41753664, 52192080, 69589440, 104384160, 208768320]

約数ペア:

[(1, 208768320), (2, 104384160), (3, 69589440), (4, 52192080), (5, 41753664), (6, 34794720), (8, 26096040), (9, 23196480), (10, 20876832), (12, 17397360), (15, 13917888), (16, 13048020), (18, 11598240), (20, 10438416), (24, 8698680), (27, 7732160), (30, 6958944), (32, 6524010), (36, 5799120), (40, 5219208), (45, 4639296), (48, 4349340), (54, 3866080), (60, 3479472), (64, 3262005), (72, 2899560), (73, 2859840), (80, 2609604), (90, 2319648), (96, 2174670), (108, 1933040), (120, 1739736), (135, 1546432), (144, 1449780), (146, 1429920), (160, 1304802), (180, 1159824), (192, 1087335), (216, 966520), (219, 953280), (240, 869868), (270, 773216), (288, 724890), (292, 714960), (320, 652401), (331, 630720), (360, 579912), (365, 571968), (432, 483260), (438, 476640), (480, 434934), (540, 386608), (576, 362445), (584, 357480), (657, 317760), (662, 315360), (720, 289956), (730, 285984), (864, 241630), (876, 238320), (960, 217467), (993, 210240), (1080, 193304), (1095, 190656), (1168, 178740), (1314, 158880), (1324, 157680), (1440, 144978), (1460, 142992), (1655, 126144), (1728, 120815), (1752, 119160), (1971, 105920), (1986, 105120), (2160, 96652), (2190, 95328), (2336, 89370), (2628, 79440), (2648, 78840), (2880, 72489), (2920, 71496), (2979, 70080), (3285, 63552), (3310, 63072), (3504, 59580), (3942, 52960), (3972, 52560), (4320, 48326), (4380, 47664), (4672, 44685), (4965, 42048), (5256, 39720), (5296, 39420), (5840, 35748), (5958, 35040), (6570, 31776), (6620, 31536), (7008, 29790), (7884, 26480), (7944, 26280), (8640, 24163), (8760, 23832), (8937, 23360), (9855, 21184), (9930, 21024), (10512, 19860), (10592, 19710), (11680, 17874), (11916, 17520), (13140, 15888), (13240, 15768), (14016, 14895)]