131335680

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 240

約数和(自身を含む): 489812400

約数和(自身を除く): 358476720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 349, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 698, 735, 768, 784, 840, 896, 960, 980, 1047, 1120, 1176, 1280, 1344, 1396, 1470, 1536, 1568, 1680, 1745, 1792, 1920, 1960, 2094, 2240, 2352, 2443, 2560, 2688, 2792, 2940, 3136, 3360, 3490, 3584, 3840, 3920, 4188, 4480, 4704, 4886, 5235, 5376, 5584, 5880, 6272, 6720, 6980, 7329, 7680, 7840, 8376, 8960, 9408, 9772, 10470, 10752, 11168, 11760, 12215, 12544, 13440, 13960, 14658, 15680, 16752, 17101, 17920, 18816, 19544, 20940, 22336, 23520, 24430, 25088, 26880, 27920, 29316, 31360, 33504, 34202, 36645, 37632, 39088, 41880, 44672, 47040, 48860, 51303, 53760, 55840, 58632, 62720, 67008, 68404, 73290, 75264, 78176, 83760, 85505, 89344, 94080, 97720, 102606, 111680, 117264, 125440, 134016, 136808, 146580, 156352, 167520, 171010, 178688, 188160, 195440, 205212, 223360, 234528, 256515, 268032, 273616, 293160, 312704, 335040, 342020, 376320, 390880, 410424, 446720, 469056, 513030, 536064, 547232, 586320, 625408, 670080, 684040, 781760, 820848, 893440, 938112, 1026060, 1094464, 1172640, 1250816, 1340160, 1368080, 1563520, 1641696, 1876224, 2052120, 2188928, 2345280, 2680320, 2736160, 3127040, 3283392, 3752448, 4104240, 4377856, 4690560, 5472320, 6254080, 6566784, 8208480, 8755712, 9381120, 10944640, 13133568, 16416960, 18762240, 21889280, 26267136, 32833920, 43778560, 65667840, 131335680]

約数ペア:

[(1, 131335680), (2, 65667840), (3, 43778560), (4, 32833920), (5, 26267136), (6, 21889280), (7, 18762240), (8, 16416960), (10, 13133568), (12, 10944640), (14, 9381120), (15, 8755712), (16, 8208480), (20, 6566784), (21, 6254080), (24, 5472320), (28, 4690560), (30, 4377856), (32, 4104240), (35, 3752448), (40, 3283392), (42, 3127040), (48, 2736160), (49, 2680320), (56, 2345280), (60, 2188928), (64, 2052120), (70, 1876224), (80, 1641696), (84, 1563520), (96, 1368080), (98, 1340160), (105, 1250816), (112, 1172640), (120, 1094464), (128, 1026060), (140, 938112), (147, 893440), (160, 820848), (168, 781760), (192, 684040), (196, 670080), (210, 625408), (224, 586320), (240, 547232), (245, 536064), (256, 513030), (280, 469056), (294, 446720), (320, 410424), (336, 390880), (349, 376320), (384, 342020), (392, 335040), (420, 312704), (448, 293160), (480, 273616), (490, 268032), (512, 256515), (560, 234528), (588, 223360), (640, 205212), (672, 195440), (698, 188160), (735, 178688), (768, 171010), (784, 167520), (840, 156352), (896, 146580), (960, 136808), (980, 134016), (1047, 125440), (1120, 117264), (1176, 111680), (1280, 102606), (1344, 97720), (1396, 94080), (1470, 89344), (1536, 85505), (1568, 83760), (1680, 78176), (1745, 75264), (1792, 73290), (1920, 68404), (1960, 67008), (2094, 62720), (2240, 58632), (2352, 55840), (2443, 53760), (2560, 51303), (2688, 48860), (2792, 47040), (2940, 44672), (3136, 41880), (3360, 39088), (3490, 37632), (3584, 36645), (3840, 34202), (3920, 33504), (4188, 31360), (4480, 29316), (4704, 27920), (4886, 26880), (5235, 25088), (5376, 24430), (5584, 23520), (5880, 22336), (6272, 20940), (6720, 19544), (6980, 18816), (7329, 17920), (7680, 17101), (7840, 16752), (8376, 15680), (8960, 14658), (9408, 13960), (9772, 13440), (10470, 12544), (10752, 12215), (11168, 11760)]