51181440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 256

約数和(自身を含む): 182131200

約数和(自身を除く): 130949760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 61, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 122, 128, 138, 152, 160, 183, 184, 190, 192, 228, 230, 240, 244, 276, 285, 304, 305, 320, 345, 366, 368, 380, 384, 437, 456, 460, 480, 488, 552, 570, 608, 610, 640, 690, 732, 736, 760, 874, 912, 915, 920, 960, 976, 1104, 1140, 1159, 1216, 1220, 1311, 1380, 1403, 1464, 1472, 1520, 1748, 1824, 1830, 1840, 1920, 1952, 2185, 2208, 2280, 2318, 2432, 2440, 2622, 2760, 2806, 2928, 2944, 3040, 3477, 3496, 3648, 3660, 3680, 3904, 4209, 4370, 4416, 4560, 4636, 4880, 5244, 5520, 5612, 5795, 5856, 6080, 6555, 6954, 6992, 7015, 7296, 7320, 7360, 7808, 8418, 8740, 8832, 9120, 9272, 9760, 10488, 11040, 11224, 11590, 11712, 12160, 13110, 13908, 13984, 14030, 14640, 14720, 16836, 17385, 17480, 18240, 18544, 19520, 20976, 21045, 22080, 22448, 23180, 23424, 26220, 26657, 27816, 27968, 28060, 29280, 33672, 34770, 34960, 36480, 37088, 39040, 41952, 42090, 44160, 44896, 46360, 52440, 53314, 55632, 55936, 56120, 58560, 67344, 69540, 69920, 74176, 79971, 83904, 84180, 89792, 92720, 104880, 106628, 111264, 112240, 117120, 133285, 134688, 139080, 139840, 148352, 159942, 167808, 168360, 179584, 185440, 209760, 213256, 222528, 224480, 266570, 269376, 278160, 279680, 319884, 336720, 370880, 399855, 419520, 426512, 445056, 448960, 533140, 538752, 556320, 639768, 673440, 741760, 799710, 839040, 853024, 897920, 1066280, 1112640, 1279536, 1346880, 1599420, 1706048, 2132560, 2225280, 2559072, 2693760, 3198840, 3412096, 4265120, 5118144, 6397680, 8530240, 10236288, 12795360, 17060480, 25590720, 51181440]

約数ペア:

[(1, 51181440), (2, 25590720), (3, 17060480), (4, 12795360), (5, 10236288), (6, 8530240), (8, 6397680), (10, 5118144), (12, 4265120), (15, 3412096), (16, 3198840), (19, 2693760), (20, 2559072), (23, 2225280), (24, 2132560), (30, 1706048), (32, 1599420), (38, 1346880), (40, 1279536), (46, 1112640), (48, 1066280), (57, 897920), (60, 853024), (61, 839040), (64, 799710), (69, 741760), (76, 673440), (80, 639768), (92, 556320), (95, 538752), (96, 533140), (114, 448960), (115, 445056), (120, 426512), (122, 419520), (128, 399855), (138, 370880), (152, 336720), (160, 319884), (183, 279680), (184, 278160), (190, 269376), (192, 266570), (228, 224480), (230, 222528), (240, 213256), (244, 209760), (276, 185440), (285, 179584), (304, 168360), (305, 167808), (320, 159942), (345, 148352), (366, 139840), (368, 139080), (380, 134688), (384, 133285), (437, 117120), (456, 112240), (460, 111264), (480, 106628), (488, 104880), (552, 92720), (570, 89792), (608, 84180), (610, 83904), (640, 79971), (690, 74176), (732, 69920), (736, 69540), (760, 67344), (874, 58560), (912, 56120), (915, 55936), (920, 55632), (960, 53314), (976, 52440), (1104, 46360), (1140, 44896), (1159, 44160), (1216, 42090), (1220, 41952), (1311, 39040), (1380, 37088), (1403, 36480), (1464, 34960), (1472, 34770), (1520, 33672), (1748, 29280), (1824, 28060), (1830, 27968), (1840, 27816), (1920, 26657), (1952, 26220), (2185, 23424), (2208, 23180), (2280, 22448), (2318, 22080), (2432, 21045), (2440, 20976), (2622, 19520), (2760, 18544), (2806, 18240), (2928, 17480), (2944, 17385), (3040, 16836), (3477, 14720), (3496, 14640), (3648, 14030), (3660, 13984), (3680, 13908), (3904, 13110), (4209, 12160), (4370, 11712), (4416, 11590), (4560, 11224), (4636, 11040), (4880, 10488), (5244, 9760), (5520, 9272), (5612, 9120), (5795, 8832), (5856, 8740), (6080, 8418), (6555, 7808), (6954, 7360), (6992, 7320), (7015, 7296)]