161278992

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 240

約数和(自身を含む): 568267200

約数和(自身を除く): 406988208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 112, 114, 126, 133, 144, 147, 152, 168, 171, 189, 196, 216, 228, 252, 266, 294, 304, 336, 342, 378, 392, 399, 401, 432, 441, 456, 504, 513, 532, 588, 684, 756, 784, 798, 802, 882, 912, 931, 1008, 1026, 1064, 1176, 1197, 1203, 1323, 1368, 1512, 1596, 1604, 1764, 1862, 2052, 2128, 2352, 2394, 2406, 2646, 2736, 2793, 2807, 3024, 3192, 3208, 3528, 3591, 3609, 3724, 4104, 4788, 4812, 5292, 5586, 5614, 6384, 6416, 7056, 7182, 7218, 7448, 7619, 8208, 8379, 8421, 9576, 9624, 10584, 10827, 11172, 11228, 14364, 14436, 14896, 15238, 16758, 16842, 19152, 19248, 19649, 21168, 21654, 22344, 22456, 22857, 25137, 25263, 28728, 28872, 30476, 33516, 33684, 39298, 43308, 44688, 44912, 45714, 50274, 50526, 53333, 57456, 57744, 58947, 60952, 67032, 67368, 68571, 75789, 78596, 86616, 91428, 100548, 101052, 106666, 117894, 121904, 134064, 134736, 137142, 151578, 157192, 159999, 173232, 176841, 182856, 201096, 202104, 205713, 213332, 235788, 274284, 303156, 314384, 319998, 353682, 365712, 373331, 402192, 404208, 411426, 426664, 471576, 479997, 530523, 548568, 606312, 639996, 707364, 746662, 822852, 853328, 943152, 959994, 1061046, 1097136, 1119993, 1212624, 1279992, 1414728, 1439991, 1493324, 1645704, 1919988, 2122092, 2239986, 2559984, 2829456, 2879982, 2986648, 3291408, 3359979, 3839976, 4244184, 4479972, 5759964, 5973296, 6719958, 7679952, 8488368, 8959944, 10079937, 11519928, 13439916, 17919888, 20159874, 23039856, 26879832, 40319748, 53759664, 80639496, 161278992]

約数ペア:

[(1, 161278992), (2, 80639496), (3, 53759664), (4, 40319748), (6, 26879832), (7, 23039856), (8, 20159874), (9, 17919888), (12, 13439916), (14, 11519928), (16, 10079937), (18, 8959944), (19, 8488368), (21, 7679952), (24, 6719958), (27, 5973296), (28, 5759964), (36, 4479972), (38, 4244184), (42, 3839976), (48, 3359979), (49, 3291408), (54, 2986648), (56, 2879982), (57, 2829456), (63, 2559984), (72, 2239986), (76, 2122092), (84, 1919988), (98, 1645704), (108, 1493324), (112, 1439991), (114, 1414728), (126, 1279992), (133, 1212624), (144, 1119993), (147, 1097136), (152, 1061046), (168, 959994), (171, 943152), (189, 853328), (196, 822852), (216, 746662), (228, 707364), (252, 639996), (266, 606312), (294, 548568), (304, 530523), (336, 479997), (342, 471576), (378, 426664), (392, 411426), (399, 404208), (401, 402192), (432, 373331), (441, 365712), (456, 353682), (504, 319998), (513, 314384), (532, 303156), (588, 274284), (684, 235788), (756, 213332), (784, 205713), (798, 202104), (802, 201096), (882, 182856), (912, 176841), (931, 173232), (1008, 159999), (1026, 157192), (1064, 151578), (1176, 137142), (1197, 134736), (1203, 134064), (1323, 121904), (1368, 117894), (1512, 106666), (1596, 101052), (1604, 100548), (1764, 91428), (1862, 86616), (2052, 78596), (2128, 75789), (2352, 68571), (2394, 67368), (2406, 67032), (2646, 60952), (2736, 58947), (2793, 57744), (2807, 57456), (3024, 53333), (3192, 50526), (3208, 50274), (3528, 45714), (3591, 44912), (3609, 44688), (3724, 43308), (4104, 39298), (4788, 33684), (4812, 33516), (5292, 30476), (5586, 28872), (5614, 28728), (6384, 25263), (6416, 25137), (7056, 22857), (7182, 22456), (7218, 22344), (7448, 21654), (7619, 21168), (8208, 19649), (8379, 19248), (8421, 19152), (9576, 16842), (9624, 16758), (10584, 15238), (10827, 14896), (11172, 14436), (11228, 14364)]