68670560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 199085040

約数和(自身を除く): 130414480

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, 461, 490, 532, 560, 608, 665, 760, 784, 922, 931, 980, 1064, 1120, 1330, 1520, 1568, 1844, 1862, 1960, 2128, 2305, 2660, 3040, 3227, 3688, 3724, 3920, 4256, 4610, 4655, 5320, 6454, 7376, 7448, 7840, 8759, 9220, 9310, 10640, 12908, 14752, 14896, 16135, 17518, 18440, 18620, 21280, 22589, 25816, 29792, 32270, 35036, 36880, 37240, 43795, 45178, 51632, 61313, 64540, 70072, 73760, 74480, 87590, 90356, 103264, 112945, 122626, 129080, 140144, 148960, 175180, 180712, 225890, 245252, 258160, 280288, 306565, 350360, 361424, 429191, 451780, 490504, 516320, 613130, 700720, 722848, 858382, 903560, 981008, 1226260, 1401440, 1716764, 1807120, 1962016, 2145955, 2452520, 3433528, 3614240, 4291910, 4905040, 6867056, 8583820, 9810080, 13734112, 17167640, 34335280, 68670560]

約数ペア:

[(1, 68670560), (2, 34335280), (4, 17167640), (5, 13734112), (7, 9810080), (8, 8583820), (10, 6867056), (14, 4905040), (16, 4291910), (19, 3614240), (20, 3433528), (28, 2452520), (32, 2145955), (35, 1962016), (38, 1807120), (40, 1716764), (49, 1401440), (56, 1226260), (70, 981008), (76, 903560), (80, 858382), (95, 722848), (98, 700720), (112, 613130), (133, 516320), (140, 490504), (152, 451780), (160, 429191), (190, 361424), (196, 350360), (224, 306565), (245, 280288), (266, 258160), (280, 245252), (304, 225890), (380, 180712), (392, 175180), (461, 148960), (490, 140144), (532, 129080), (560, 122626), (608, 112945), (665, 103264), (760, 90356), (784, 87590), (922, 74480), (931, 73760), (980, 70072), (1064, 64540), (1120, 61313), (1330, 51632), (1520, 45178), (1568, 43795), (1844, 37240), (1862, 36880), (1960, 35036), (2128, 32270), (2305, 29792), (2660, 25816), (3040, 22589), (3227, 21280), (3688, 18620), (3724, 18440), (3920, 17518), (4256, 16135), (4610, 14896), (4655, 14752), (5320, 12908), (6454, 10640), (7376, 9310), (7448, 9220), (7840, 8759)]