68127920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 191621664

約数和(自身を除く): 123493744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 337, 361, 380, 532, 560, 665, 674, 722, 760, 1064, 1330, 1348, 1444, 1520, 1685, 1805, 2128, 2359, 2527, 2660, 2696, 2888, 3370, 3610, 4718, 5054, 5320, 5392, 5776, 6403, 6740, 7220, 9436, 10108, 10640, 11795, 12635, 12806, 13480, 14440, 18872, 20216, 23590, 25270, 25612, 26960, 28880, 32015, 37744, 40432, 44821, 47180, 50540, 51224, 64030, 89642, 94360, 101080, 102448, 121657, 128060, 179284, 188720, 202160, 224105, 243314, 256120, 358568, 448210, 486628, 512240, 608285, 717136, 851599, 896420, 973256, 1216570, 1703198, 1792840, 1946512, 2433140, 3406396, 3585680, 4257995, 4866280, 6812792, 8515990, 9732560, 13625584, 17031980, 34063960, 68127920]

約数ペア:

[(1, 68127920), (2, 34063960), (4, 17031980), (5, 13625584), (7, 9732560), (8, 8515990), (10, 6812792), (14, 4866280), (16, 4257995), (19, 3585680), (20, 3406396), (28, 2433140), (35, 1946512), (38, 1792840), (40, 1703198), (56, 1216570), (70, 973256), (76, 896420), (80, 851599), (95, 717136), (112, 608285), (133, 512240), (140, 486628), (152, 448210), (190, 358568), (266, 256120), (280, 243314), (304, 224105), (337, 202160), (361, 188720), (380, 179284), (532, 128060), (560, 121657), (665, 102448), (674, 101080), (722, 94360), (760, 89642), (1064, 64030), (1330, 51224), (1348, 50540), (1444, 47180), (1520, 44821), (1685, 40432), (1805, 37744), (2128, 32015), (2359, 28880), (2527, 26960), (2660, 25612), (2696, 25270), (2888, 23590), (3370, 20216), (3610, 18872), (4718, 14440), (5054, 13480), (5320, 12806), (5392, 12635), (5776, 11795), (6403, 10640), (6740, 10108), (7220, 9436)]