77447440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:909

約数の個数: 120

約数和(自身を含む): 218825280

約数和(自身を除く): 141377840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 859, 920, 980, 1127, 1288, 1610, 1718, 1840, 1960, 2254, 2576, 3220, 3436, 3920, 4295, 4508, 5635, 6013, 6440, 6872, 8590, 9016, 11270, 12026, 12880, 13744, 17180, 18032, 19757, 22540, 24052, 30065, 34360, 39514, 42091, 45080, 48104, 60130, 68720, 79028, 84182, 90160, 96208, 98785, 120260, 138299, 158056, 168364, 197570, 210455, 240520, 276598, 316112, 336728, 395140, 420910, 481040, 553196, 673456, 691495, 790280, 841820, 968093, 1106392, 1382990, 1580560, 1683640, 1936186, 2212784, 2765980, 3367280, 3872372, 4840465, 5531960, 7744744, 9680930, 11063920, 15489488, 19361860, 38723720, 77447440]

約数ペア:

[(1, 77447440), (2, 38723720), (4, 19361860), (5, 15489488), (7, 11063920), (8, 9680930), (10, 7744744), (14, 5531960), (16, 4840465), (20, 3872372), (23, 3367280), (28, 2765980), (35, 2212784), (40, 1936186), (46, 1683640), (49, 1580560), (56, 1382990), (70, 1106392), (80, 968093), (92, 841820), (98, 790280), (112, 691495), (115, 673456), (140, 553196), (161, 481040), (184, 420910), (196, 395140), (230, 336728), (245, 316112), (280, 276598), (322, 240520), (368, 210455), (392, 197570), (460, 168364), (490, 158056), (560, 138299), (644, 120260), (784, 98785), (805, 96208), (859, 90160), (920, 84182), (980, 79028), (1127, 68720), (1288, 60130), (1610, 48104), (1718, 45080), (1840, 42091), (1960, 39514), (2254, 34360), (2576, 30065), (3220, 24052), (3436, 22540), (3920, 19757), (4295, 18032), (4508, 17180), (5635, 13744), (6013, 12880), (6440, 12026), (6872, 11270), (8590, 9016)]