81211680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1709}}^1$

素因数の和:1744

約数の個数: 192

約数和(自身を含む): 310262400

約数和(自身を除く): 229050720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 594, 660, 720, 792, 864, 880, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1709, 1760, 1980, 2160, 2376, 2640, 2970, 3168, 3418, 3960, 4320, 4752, 5127, 5280, 5940, 6836, 7920, 8545, 9504, 10254, 11880, 13672, 15381, 15840, 17090, 18799, 20508, 23760, 25635, 27344, 30762, 34180, 37598, 41016, 46143, 47520, 51270, 54688, 56397, 61524, 68360, 75196, 76905, 82032, 92286, 93995, 102540, 112794, 123048, 136720, 150392, 153810, 164064, 169191, 184572, 187990, 205080, 225588, 230715, 246096, 273440, 281985, 300784, 307620, 338382, 369144, 375980, 410160, 451176, 461430, 492192, 507573, 563970, 601568, 615240, 676764, 738288, 751960, 820320, 845955, 902352, 922860, 1015146, 1127940, 1230480, 1353528, 1476576, 1503920, 1691910, 1804704, 1845720, 2030292, 2255880, 2460960, 2537865, 2707056, 3007840, 3383820, 3691440, 4060584, 4511760, 5075730, 5414112, 6767640, 7382880, 8121168, 9023520, 10151460, 13535280, 16242336, 20302920, 27070560, 40605840, 81211680]

約数ペア:

[(1, 81211680), (2, 40605840), (3, 27070560), (4, 20302920), (5, 16242336), (6, 13535280), (8, 10151460), (9, 9023520), (10, 8121168), (11, 7382880), (12, 6767640), (15, 5414112), (16, 5075730), (18, 4511760), (20, 4060584), (22, 3691440), (24, 3383820), (27, 3007840), (30, 2707056), (32, 2537865), (33, 2460960), (36, 2255880), (40, 2030292), (44, 1845720), (45, 1804704), (48, 1691910), (54, 1503920), (55, 1476576), (60, 1353528), (66, 1230480), (72, 1127940), (80, 1015146), (88, 922860), (90, 902352), (96, 845955), (99, 820320), (108, 751960), (110, 738288), (120, 676764), (132, 615240), (135, 601568), (144, 563970), (160, 507573), (165, 492192), (176, 461430), (180, 451176), (198, 410160), (216, 375980), (220, 369144), (240, 338382), (264, 307620), (270, 300784), (288, 281985), (297, 273440), (330, 246096), (352, 230715), (360, 225588), (396, 205080), (432, 187990), (440, 184572), (480, 169191), (495, 164064), (528, 153810), (540, 150392), (594, 136720), (660, 123048), (720, 112794), (792, 102540), (864, 93995), (880, 92286), (990, 82032), (1056, 76905), (1080, 75196), (1188, 68360), (1320, 61524), (1440, 56397), (1485, 54688), (1584, 51270), (1709, 47520), (1760, 46143), (1980, 41016), (2160, 37598), (2376, 34180), (2640, 30762), (2970, 27344), (3168, 25635), (3418, 23760), (3960, 20508), (4320, 18799), (4752, 17090), (5127, 15840), (5280, 15381), (5940, 13672), (6836, 11880), (7920, 10254), (8545, 9504)]