154894880

素因数分解:

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

素因数の和:911

約数の個数: 144

約数和(自身を含む): 444709440

約数和(自身を除く): 289814560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 859, 920, 980, 1120, 1127, 1288, 1568, 1610, 1718, 1840, 1960, 2254, 2576, 3220, 3436, 3680, 3920, 4295, 4508, 5152, 5635, 6013, 6440, 6872, 7840, 8590, 9016, 11270, 12026, 12880, 13744, 17180, 18032, 19757, 22540, 24052, 25760, 27488, 30065, 34360, 36064, 39514, 42091, 45080, 48104, 60130, 68720, 79028, 84182, 90160, 96208, 98785, 120260, 137440, 138299, 158056, 168364, 180320, 192416, 197570, 210455, 240520, 276598, 316112, 336728, 395140, 420910, 481040, 553196, 632224, 673456, 691495, 790280, 841820, 962080, 968093, 1106392, 1346912, 1382990, 1580560, 1683640, 1936186, 2212784, 2765980, 3161120, 3367280, 3872372, 4425568, 4840465, 5531960, 6734560, 7744744, 9680930, 11063920, 15489488, 19361860, 22127840, 30978976, 38723720, 77447440, 154894880]

約数ペア:

[(1, 154894880), (2, 77447440), (4, 38723720), (5, 30978976), (7, 22127840), (8, 19361860), (10, 15489488), (14, 11063920), (16, 9680930), (20, 7744744), (23, 6734560), (28, 5531960), (32, 4840465), (35, 4425568), (40, 3872372), (46, 3367280), (49, 3161120), (56, 2765980), (70, 2212784), (80, 1936186), (92, 1683640), (98, 1580560), (112, 1382990), (115, 1346912), (140, 1106392), (160, 968093), (161, 962080), (184, 841820), (196, 790280), (224, 691495), (230, 673456), (245, 632224), (280, 553196), (322, 481040), (368, 420910), (392, 395140), (460, 336728), (490, 316112), (560, 276598), (644, 240520), (736, 210455), (784, 197570), (805, 192416), (859, 180320), (920, 168364), (980, 158056), (1120, 138299), (1127, 137440), (1288, 120260), (1568, 98785), (1610, 96208), (1718, 90160), (1840, 84182), (1960, 79028), (2254, 68720), (2576, 60130), (3220, 48104), (3436, 45080), (3680, 42091), (3920, 39514), (4295, 36064), (4508, 34360), (5152, 30065), (5635, 27488), (6013, 25760), (6440, 24052), (6872, 22540), (7840, 19757), (8590, 18032), (9016, 17180), (11270, 13744), (12026, 12880)]