127956640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 144

約数和(自身を含む): 370591200

約数和(自身を除く): 242634560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 859, 931, 980, 1064, 1120, 1330, 1520, 1568, 1718, 1862, 1960, 2128, 2660, 3040, 3436, 3724, 3920, 4256, 4295, 4655, 5320, 6013, 6872, 7448, 7840, 8590, 9310, 10640, 12026, 13744, 14896, 16321, 17180, 18620, 21280, 24052, 27488, 29792, 30065, 32642, 34360, 37240, 42091, 48104, 60130, 65284, 68720, 74480, 81605, 84182, 96208, 114247, 120260, 130568, 137440, 148960, 163210, 168364, 192416, 210455, 228494, 240520, 261136, 326420, 336728, 420910, 456988, 481040, 522272, 571235, 652840, 673456, 799729, 841820, 913976, 962080, 1142470, 1305680, 1346912, 1599458, 1683640, 1827952, 2284940, 2611360, 3198916, 3367280, 3655904, 3998645, 4569880, 6397832, 6734560, 7997290, 9139760, 12795664, 15994580, 18279520, 25591328, 31989160, 63978320, 127956640]

約数ペア:

[(1, 127956640), (2, 63978320), (4, 31989160), (5, 25591328), (7, 18279520), (8, 15994580), (10, 12795664), (14, 9139760), (16, 7997290), (19, 6734560), (20, 6397832), (28, 4569880), (32, 3998645), (35, 3655904), (38, 3367280), (40, 3198916), (49, 2611360), (56, 2284940), (70, 1827952), (76, 1683640), (80, 1599458), (95, 1346912), (98, 1305680), (112, 1142470), (133, 962080), (140, 913976), (152, 841820), (160, 799729), (190, 673456), (196, 652840), (224, 571235), (245, 522272), (266, 481040), (280, 456988), (304, 420910), (380, 336728), (392, 326420), (490, 261136), (532, 240520), (560, 228494), (608, 210455), (665, 192416), (760, 168364), (784, 163210), (859, 148960), (931, 137440), (980, 130568), (1064, 120260), (1120, 114247), (1330, 96208), (1520, 84182), (1568, 81605), (1718, 74480), (1862, 68720), (1960, 65284), (2128, 60130), (2660, 48104), (3040, 42091), (3436, 37240), (3724, 34360), (3920, 32642), (4256, 30065), (4295, 29792), (4655, 27488), (5320, 24052), (6013, 21280), (6872, 18620), (7448, 17180), (7840, 16321), (8590, 14896), (9310, 13744), (10640, 12026)]