81073440

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 288

約数和(自身を含む): 330946560

約数和(自身を除く): 249873120

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, 383, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 766, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1149, 1176, 1260, 1323, 1440, 1470, 1512, 1532, 1568, 1680, 1764, 1890, 1915, 1960, 2016, 2160, 2205, 2298, 2352, 2520, 2646, 2681, 2940, 3024, 3064, 3360, 3447, 3528, 3780, 3830, 3920, 4320, 4410, 4596, 4704, 5040, 5292, 5362, 5745, 5880, 6048, 6128, 6615, 6894, 7056, 7560, 7660, 7840, 8043, 8820, 9192, 10080, 10341, 10584, 10724, 11490, 11760, 12256, 13230, 13405, 13788, 14112, 15120, 15320, 16086, 17235, 17640, 18384, 18767, 20682, 21168, 21448, 22980, 23520, 24129, 26460, 26810, 27576, 30240, 30640, 32172, 34470, 35280, 36768, 37534, 40215, 41364, 42336, 42896, 45960, 48258, 51705, 52920, 53620, 55152, 56301, 61280, 64344, 68940, 70560, 72387, 75068, 80430, 82728, 85792, 91920, 93835, 96516, 103410, 105840, 107240, 110304, 112602, 120645, 128688, 137880, 144774, 150136, 160860, 165456, 168903, 183840, 187670, 193032, 206820, 211680, 214480, 225204, 241290, 257376, 275760, 281505, 289548, 300272, 321720, 330912, 337806, 361935, 375340, 386064, 413640, 428960, 450408, 482580, 506709, 551520, 563010, 579096, 600544, 643440, 675612, 723870, 750680, 772128, 827280, 844515, 900816, 965160, 1013418, 1126020, 1158192, 1286880, 1351224, 1447740, 1501360, 1654560, 1689030, 1801632, 1930320, 2026836, 2252040, 2316384, 2533545, 2702448, 2895480, 3002720, 3378060, 3860640, 4053672, 4504080, 5067090, 5404896, 5790960, 6756120, 8107344, 9008160, 10134180, 11581920, 13512240, 16214688, 20268360, 27024480, 40536720, 81073440]

約数ペア:

[(1, 81073440), (2, 40536720), (3, 27024480), (4, 20268360), (5, 16214688), (6, 13512240), (7, 11581920), (8, 10134180), (9, 9008160), (10, 8107344), (12, 6756120), (14, 5790960), (15, 5404896), (16, 5067090), (18, 4504080), (20, 4053672), (21, 3860640), (24, 3378060), (27, 3002720), (28, 2895480), (30, 2702448), (32, 2533545), (35, 2316384), (36, 2252040), (40, 2026836), (42, 1930320), (45, 1801632), (48, 1689030), (49, 1654560), (54, 1501360), (56, 1447740), (60, 1351224), (63, 1286880), (70, 1158192), (72, 1126020), (80, 1013418), (84, 965160), (90, 900816), (96, 844515), (98, 827280), (105, 772128), (108, 750680), (112, 723870), (120, 675612), (126, 643440), (135, 600544), (140, 579096), (144, 563010), (147, 551520), (160, 506709), (168, 482580), (180, 450408), (189, 428960), (196, 413640), (210, 386064), (216, 375340), (224, 361935), (240, 337806), (245, 330912), (252, 321720), (270, 300272), (280, 289548), (288, 281505), (294, 275760), (315, 257376), (336, 241290), (360, 225204), (378, 214480), (383, 211680), (392, 206820), (420, 193032), (432, 187670), (441, 183840), (480, 168903), (490, 165456), (504, 160860), (540, 150136), (560, 144774), (588, 137880), (630, 128688), (672, 120645), (720, 112602), (735, 110304), (756, 107240), (766, 105840), (784, 103410), (840, 96516), (864, 93835), (882, 91920), (945, 85792), (980, 82728), (1008, 80430), (1080, 75068), (1120, 72387), (1149, 70560), (1176, 68940), (1260, 64344), (1323, 61280), (1440, 56301), (1470, 55152), (1512, 53620), (1532, 52920), (1568, 51705), (1680, 48258), (1764, 45960), (1890, 42896), (1915, 42336), (1960, 41364), (2016, 40215), (2160, 37534), (2205, 36768), (2298, 35280), (2352, 34470), (2520, 32172), (2646, 30640), (2681, 30240), (2940, 27576), (3024, 26810), (3064, 26460), (3360, 24129), (3447, 23520), (3528, 22980), (3780, 21448), (3830, 21168), (3920, 20682), (4320, 18767), (4410, 18384), (4596, 17640), (4704, 17235), (5040, 16086), (5292, 15320), (5362, 15120), (5745, 14112), (5880, 13788), (6048, 13405), (6128, 13230), (6615, 12256), (6894, 11760), (7056, 11490), (7560, 10724), (7660, 10584), (7840, 10341), (8043, 10080), (8820, 9192)]