161378880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 224

約数和(自身を含む): 562929024

約数和(自身を除く): 401550144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 67, 78, 80, 96, 104, 120, 130, 134, 156, 160, 192, 193, 195, 201, 208, 240, 260, 268, 312, 320, 335, 386, 390, 402, 416, 480, 520, 536, 579, 624, 670, 772, 780, 804, 832, 871, 960, 965, 1005, 1040, 1072, 1158, 1248, 1340, 1544, 1560, 1608, 1742, 1930, 2010, 2080, 2144, 2316, 2496, 2509, 2613, 2680, 2895, 3088, 3120, 3216, 3484, 3860, 4020, 4160, 4288, 4355, 4632, 5018, 5226, 5360, 5790, 6176, 6240, 6432, 6968, 7527, 7720, 8040, 8710, 9264, 10036, 10452, 10720, 11580, 12352, 12480, 12545, 12864, 12931, 13065, 13936, 15054, 15440, 16080, 17420, 18528, 20072, 20904, 21440, 23160, 25090, 25862, 26130, 27872, 30108, 30880, 32160, 34840, 37056, 37635, 38793, 40144, 41808, 46320, 50180, 51724, 52260, 55744, 60216, 61760, 64320, 64655, 69680, 75270, 77586, 80288, 83616, 92640, 100360, 103448, 104520, 120432, 129310, 139360, 150540, 155172, 160576, 167232, 168103, 185280, 193965, 200720, 206896, 209040, 240864, 258620, 278720, 301080, 310344, 336206, 387930, 401440, 413792, 418080, 481728, 504309, 517240, 602160, 620688, 672412, 775860, 802880, 827584, 836160, 840515, 1008618, 1034480, 1204320, 1241376, 1344824, 1551720, 1681030, 2017236, 2068960, 2408640, 2482752, 2521545, 2689648, 3103440, 3362060, 4034472, 4137920, 5043090, 5379296, 6206880, 6724120, 8068944, 10086180, 10758592, 12413760, 13448240, 16137888, 20172360, 26896480, 32275776, 40344720, 53792960, 80689440, 161378880]

約数ペア:

[(1, 161378880), (2, 80689440), (3, 53792960), (4, 40344720), (5, 32275776), (6, 26896480), (8, 20172360), (10, 16137888), (12, 13448240), (13, 12413760), (15, 10758592), (16, 10086180), (20, 8068944), (24, 6724120), (26, 6206880), (30, 5379296), (32, 5043090), (39, 4137920), (40, 4034472), (48, 3362060), (52, 3103440), (60, 2689648), (64, 2521545), (65, 2482752), (67, 2408640), (78, 2068960), (80, 2017236), (96, 1681030), (104, 1551720), (120, 1344824), (130, 1241376), (134, 1204320), (156, 1034480), (160, 1008618), (192, 840515), (193, 836160), (195, 827584), (201, 802880), (208, 775860), (240, 672412), (260, 620688), (268, 602160), (312, 517240), (320, 504309), (335, 481728), (386, 418080), (390, 413792), (402, 401440), (416, 387930), (480, 336206), (520, 310344), (536, 301080), (579, 278720), (624, 258620), (670, 240864), (772, 209040), (780, 206896), (804, 200720), (832, 193965), (871, 185280), (960, 168103), (965, 167232), (1005, 160576), (1040, 155172), (1072, 150540), (1158, 139360), (1248, 129310), (1340, 120432), (1544, 104520), (1560, 103448), (1608, 100360), (1742, 92640), (1930, 83616), (2010, 80288), (2080, 77586), (2144, 75270), (2316, 69680), (2496, 64655), (2509, 64320), (2613, 61760), (2680, 60216), (2895, 55744), (3088, 52260), (3120, 51724), (3216, 50180), (3484, 46320), (3860, 41808), (4020, 40144), (4160, 38793), (4288, 37635), (4355, 37056), (4632, 34840), (5018, 32160), (5226, 30880), (5360, 30108), (5790, 27872), (6176, 26130), (6240, 25862), (6432, 25090), (6968, 23160), (7527, 21440), (7720, 20904), (8040, 20072), (8710, 18528), (9264, 17420), (10036, 16080), (10452, 15440), (10720, 15054), (11580, 13936), (12352, 13065), (12480, 12931), (12545, 12864)]