128321520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 417830400

約数和(自身を除く): 289508880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 103, 116, 120, 145, 174, 179, 206, 232, 240, 290, 309, 348, 358, 412, 435, 464, 515, 537, 580, 618, 696, 716, 824, 870, 895, 1030, 1074, 1160, 1236, 1392, 1432, 1545, 1648, 1740, 1790, 2060, 2148, 2320, 2472, 2685, 2864, 2987, 3090, 3480, 3580, 4120, 4296, 4944, 5191, 5370, 5974, 6180, 6960, 7160, 8240, 8592, 8961, 10382, 10740, 11948, 12360, 14320, 14935, 15573, 17922, 18437, 20764, 21480, 23896, 24720, 25955, 29870, 31146, 35844, 36874, 41528, 42960, 44805, 47792, 51910, 55311, 59740, 62292, 71688, 73748, 77865, 83056, 89610, 92185, 103820, 110622, 119480, 124584, 143376, 147496, 155730, 179220, 184370, 207640, 221244, 238960, 249168, 276555, 294992, 311460, 358440, 368740, 415280, 442488, 534673, 553110, 622920, 716880, 737480, 884976, 1069346, 1106220, 1245840, 1474960, 1604019, 2138692, 2212440, 2673365, 3208038, 4277384, 4424880, 5346730, 6416076, 8020095, 8554768, 10693460, 12832152, 16040190, 21386920, 25664304, 32080380, 42773840, 64160760, 128321520]

約数ペア:

[(1, 128321520), (2, 64160760), (3, 42773840), (4, 32080380), (5, 25664304), (6, 21386920), (8, 16040190), (10, 12832152), (12, 10693460), (15, 8554768), (16, 8020095), (20, 6416076), (24, 5346730), (29, 4424880), (30, 4277384), (40, 3208038), (48, 2673365), (58, 2212440), (60, 2138692), (80, 1604019), (87, 1474960), (103, 1245840), (116, 1106220), (120, 1069346), (145, 884976), (174, 737480), (179, 716880), (206, 622920), (232, 553110), (240, 534673), (290, 442488), (309, 415280), (348, 368740), (358, 358440), (412, 311460), (435, 294992), (464, 276555), (515, 249168), (537, 238960), (580, 221244), (618, 207640), (696, 184370), (716, 179220), (824, 155730), (870, 147496), (895, 143376), (1030, 124584), (1074, 119480), (1160, 110622), (1236, 103820), (1392, 92185), (1432, 89610), (1545, 83056), (1648, 77865), (1740, 73748), (1790, 71688), (2060, 62292), (2148, 59740), (2320, 55311), (2472, 51910), (2685, 47792), (2864, 44805), (2987, 42960), (3090, 41528), (3480, 36874), (3580, 35844), (4120, 31146), (4296, 29870), (4944, 25955), (5191, 24720), (5370, 23896), (5974, 21480), (6180, 20764), (6960, 18437), (7160, 17922), (8240, 15573), (8592, 14935), (8961, 14320), (10382, 12360), (10740, 11948)]