157668280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 460961280

約数和(自身を除く): 303293000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 71, 77, 88, 98, 103, 110, 140, 142, 154, 196, 206, 220, 245, 280, 284, 308, 355, 385, 392, 412, 440, 490, 497, 515, 539, 568, 616, 710, 721, 770, 781, 824, 980, 994, 1030, 1078, 1133, 1420, 1442, 1540, 1562, 1960, 1988, 2060, 2156, 2266, 2485, 2695, 2840, 2884, 3080, 3124, 3479, 3605, 3905, 3976, 4120, 4312, 4532, 4970, 5047, 5390, 5467, 5665, 5768, 6248, 6958, 7210, 7313, 7810, 7931, 9064, 9940, 10094, 10780, 10934, 11330, 13916, 14420, 14626, 15620, 15862, 17395, 19880, 20188, 21560, 21868, 22660, 25235, 27335, 27832, 28840, 29252, 31240, 31724, 34790, 36565, 38269, 39655, 40376, 43736, 45320, 50470, 51191, 54670, 55517, 58504, 63448, 69580, 73130, 76538, 79310, 80443, 100940, 102382, 109340, 111034, 139160, 146260, 153076, 158620, 160886, 191345, 201880, 204764, 218680, 222068, 255955, 277585, 292520, 306152, 317240, 321772, 358337, 382690, 402215, 409528, 444136, 511910, 555170, 563101, 643544, 716674, 765380, 804430, 1023820, 1110340, 1126202, 1433348, 1530760, 1608860, 1791685, 2047640, 2220680, 2252404, 2815505, 2866696, 3217720, 3583370, 3941707, 4504808, 5631010, 7166740, 7883414, 11262020, 14333480, 15766828, 19708535, 22524040, 31533656, 39417070, 78834140, 157668280]

約数ペア:

[(1, 157668280), (2, 78834140), (4, 39417070), (5, 31533656), (7, 22524040), (8, 19708535), (10, 15766828), (11, 14333480), (14, 11262020), (20, 7883414), (22, 7166740), (28, 5631010), (35, 4504808), (40, 3941707), (44, 3583370), (49, 3217720), (55, 2866696), (56, 2815505), (70, 2252404), (71, 2220680), (77, 2047640), (88, 1791685), (98, 1608860), (103, 1530760), (110, 1433348), (140, 1126202), (142, 1110340), (154, 1023820), (196, 804430), (206, 765380), (220, 716674), (245, 643544), (280, 563101), (284, 555170), (308, 511910), (355, 444136), (385, 409528), (392, 402215), (412, 382690), (440, 358337), (490, 321772), (497, 317240), (515, 306152), (539, 292520), (568, 277585), (616, 255955), (710, 222068), (721, 218680), (770, 204764), (781, 201880), (824, 191345), (980, 160886), (994, 158620), (1030, 153076), (1078, 146260), (1133, 139160), (1420, 111034), (1442, 109340), (1540, 102382), (1562, 100940), (1960, 80443), (1988, 79310), (2060, 76538), (2156, 73130), (2266, 69580), (2485, 63448), (2695, 58504), (2840, 55517), (2884, 54670), (3080, 51191), (3124, 50470), (3479, 45320), (3605, 43736), (3905, 40376), (3976, 39655), (4120, 38269), (4312, 36565), (4532, 34790), (4970, 31724), (5047, 31240), (5390, 29252), (5467, 28840), (5665, 27832), (5768, 27335), (6248, 25235), (6958, 22660), (7210, 21868), (7313, 21560), (7810, 20188), (7931, 19880), (9064, 17395), (9940, 15862), (10094, 15620), (10780, 14626), (10934, 14420), (11330, 13916)]