181742960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 120

約数和(自身を含む): 499226976

約数和(自身を除く): 317484016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 653, 710, 784, 980, 994, 1136, 1306, 1420, 1960, 1988, 2485, 2612, 2840, 3265, 3479, 3920, 3976, 4571, 4970, 5224, 5680, 6530, 6958, 7952, 9142, 9940, 10448, 13060, 13916, 17395, 18284, 19880, 22855, 26120, 27832, 31997, 34790, 36568, 39760, 45710, 46363, 52240, 55664, 63994, 69580, 73136, 91420, 92726, 127988, 139160, 159985, 182840, 185452, 231815, 255976, 278320, 319970, 324541, 365680, 370904, 463630, 511952, 639940, 649082, 741808, 927260, 1279880, 1298164, 1622705, 1854520, 2271787, 2559760, 2596328, 3245410, 3709040, 4543574, 5192656, 6490820, 9087148, 11358935, 12981640, 18174296, 22717870, 25963280, 36348592, 45435740, 90871480, 181742960]

約数ペア:

[(1, 181742960), (2, 90871480), (4, 45435740), (5, 36348592), (7, 25963280), (8, 22717870), (10, 18174296), (14, 12981640), (16, 11358935), (20, 9087148), (28, 6490820), (35, 5192656), (40, 4543574), (49, 3709040), (56, 3245410), (70, 2596328), (71, 2559760), (80, 2271787), (98, 1854520), (112, 1622705), (140, 1298164), (142, 1279880), (196, 927260), (245, 741808), (280, 649082), (284, 639940), (355, 511952), (392, 463630), (490, 370904), (497, 365680), (560, 324541), (568, 319970), (653, 278320), (710, 255976), (784, 231815), (980, 185452), (994, 182840), (1136, 159985), (1306, 139160), (1420, 127988), (1960, 92726), (1988, 91420), (2485, 73136), (2612, 69580), (2840, 63994), (3265, 55664), (3479, 52240), (3920, 46363), (3976, 45710), (4571, 39760), (4970, 36568), (5224, 34790), (5680, 31997), (6530, 27832), (6958, 26120), (7952, 22855), (9142, 19880), (9940, 18284), (10448, 17395), (13060, 13916)]