209774880

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 288

約数和(自身を含む): 854945280

約数和(自身を除く): 645170400

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 991, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 1982, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 2973, 3024, 3360, 3528, 3780, 3920, 3964, 4320, 4410, 4704, 4955, 5040, 5292, 5880, 5946, 6048, 6615, 6937, 7056, 7560, 7840, 7928, 8820, 8919, 9910, 10080, 10584, 11760, 11892, 13230, 13874, 14112, 14865, 15120, 15856, 17640, 17838, 19820, 20811, 21168, 23520, 23784, 26460, 26757, 27748, 29730, 30240, 31712, 34685, 35280, 35676, 39640, 41622, 42336, 44595, 47568, 48559, 52920, 53514, 55496, 59460, 62433, 69370, 70560, 71352, 79280, 83244, 89190, 95136, 97118, 104055, 105840, 107028, 110992, 118920, 124866, 133785, 138740, 142704, 145677, 158560, 166488, 178380, 187299, 194236, 208110, 211680, 214056, 221984, 237840, 242795, 249732, 267570, 277480, 285408, 291354, 312165, 332976, 356760, 374598, 388472, 416220, 428112, 437031, 475680, 485590, 499464, 535140, 554960, 582708, 624330, 665952, 713520, 728385, 749196, 776944, 832440, 856224, 874062, 936495, 971180, 998928, 1070280, 1109920, 1165416, 1248660, 1311093, 1427040, 1456770, 1498392, 1553888, 1664880, 1748124, 1872990, 1942360, 1997856, 2140560, 2185155, 2330832, 2497320, 2622186, 2913540, 2996784, 3329760, 3496248, 3745980, 3884720, 4281120, 4370310, 4661664, 4994640, 5244372, 5827080, 5993568, 6555465, 6992496, 7491960, 7769440, 8740620, 9989280, 10488744, 11654160, 13110930, 13984992, 14983920, 17481240, 20977488, 23308320, 26221860, 29967840, 34962480, 41954976, 52443720, 69924960, 104887440, 209774880]

約数ペア:

[(1, 209774880), (2, 104887440), (3, 69924960), (4, 52443720), (5, 41954976), (6, 34962480), (7, 29967840), (8, 26221860), (9, 23308320), (10, 20977488), (12, 17481240), (14, 14983920), (15, 13984992), (16, 13110930), (18, 11654160), (20, 10488744), (21, 9989280), (24, 8740620), (27, 7769440), (28, 7491960), (30, 6992496), (32, 6555465), (35, 5993568), (36, 5827080), (40, 5244372), (42, 4994640), (45, 4661664), (48, 4370310), (49, 4281120), (54, 3884720), (56, 3745980), (60, 3496248), (63, 3329760), (70, 2996784), (72, 2913540), (80, 2622186), (84, 2497320), (90, 2330832), (96, 2185155), (98, 2140560), (105, 1997856), (108, 1942360), (112, 1872990), (120, 1748124), (126, 1664880), (135, 1553888), (140, 1498392), (144, 1456770), (147, 1427040), (160, 1311093), (168, 1248660), (180, 1165416), (189, 1109920), (196, 1070280), (210, 998928), (216, 971180), (224, 936495), (240, 874062), (245, 856224), (252, 832440), (270, 776944), (280, 749196), (288, 728385), (294, 713520), (315, 665952), (336, 624330), (360, 582708), (378, 554960), (392, 535140), (420, 499464), (432, 485590), (441, 475680), (480, 437031), (490, 428112), (504, 416220), (540, 388472), (560, 374598), (588, 356760), (630, 332976), (672, 312165), (720, 291354), (735, 285408), (756, 277480), (784, 267570), (840, 249732), (864, 242795), (882, 237840), (945, 221984), (980, 214056), (991, 211680), (1008, 208110), (1080, 194236), (1120, 187299), (1176, 178380), (1260, 166488), (1323, 158560), (1440, 145677), (1470, 142704), (1512, 138740), (1568, 133785), (1680, 124866), (1764, 118920), (1890, 110992), (1960, 107028), (1982, 105840), (2016, 104055), (2160, 97118), (2205, 95136), (2352, 89190), (2520, 83244), (2646, 79280), (2940, 71352), (2973, 70560), (3024, 69370), (3360, 62433), (3528, 59460), (3780, 55496), (3920, 53514), (3964, 52920), (4320, 48559), (4410, 47568), (4704, 44595), (4955, 42336), (5040, 41622), (5292, 39640), (5880, 35676), (5946, 35280), (6048, 34685), (6615, 31712), (6937, 30240), (7056, 29730), (7560, 27748), (7840, 26757), (7928, 26460), (8820, 23784), (8919, 23520), (9910, 21168), (10080, 20811), (10584, 19820), (11760, 17838), (11892, 17640), (13230, 15856), (13874, 15120), (14112, 14865)]