161418880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 445927680

約数和(自身を除く): 284508800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 263, 274, 280, 320, 448, 526, 548, 560, 640, 685, 896, 959, 1052, 1096, 1120, 1315, 1370, 1841, 1918, 2104, 2192, 2240, 2630, 2740, 3682, 3836, 4208, 4384, 4480, 4795, 5260, 5480, 7364, 7672, 8416, 8768, 9205, 9590, 10520, 10960, 14728, 15344, 16832, 17536, 18410, 19180, 21040, 21920, 29456, 30688, 33664, 36031, 36820, 38360, 42080, 43840, 58912, 61376, 72062, 73640, 76720, 84160, 87680, 117824, 122752, 144124, 147280, 153440, 168320, 180155, 235648, 252217, 288248, 294560, 306880, 360310, 504434, 576496, 589120, 613760, 720620, 1008868, 1152992, 1178240, 1261085, 1441240, 2017736, 2305984, 2522170, 2882480, 4035472, 4611968, 5044340, 5764960, 8070944, 10088680, 11529920, 16141888, 20177360, 23059840, 32283776, 40354720, 80709440, 161418880]

約数ペア:

[(1, 161418880), (2, 80709440), (4, 40354720), (5, 32283776), (7, 23059840), (8, 20177360), (10, 16141888), (14, 11529920), (16, 10088680), (20, 8070944), (28, 5764960), (32, 5044340), (35, 4611968), (40, 4035472), (56, 2882480), (64, 2522170), (70, 2305984), (80, 2017736), (112, 1441240), (128, 1261085), (137, 1178240), (140, 1152992), (160, 1008868), (224, 720620), (263, 613760), (274, 589120), (280, 576496), (320, 504434), (448, 360310), (526, 306880), (548, 294560), (560, 288248), (640, 252217), (685, 235648), (896, 180155), (959, 168320), (1052, 153440), (1096, 147280), (1120, 144124), (1315, 122752), (1370, 117824), (1841, 87680), (1918, 84160), (2104, 76720), (2192, 73640), (2240, 72062), (2630, 61376), (2740, 58912), (3682, 43840), (3836, 42080), (4208, 38360), (4384, 36820), (4480, 36031), (4795, 33664), (5260, 30688), (5480, 29456), (7364, 21920), (7672, 21040), (8416, 19180), (8768, 18410), (9205, 17536), (9590, 16832), (10520, 15344), (10960, 14728)]