131023360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 160

約数和(自身を含む): 351977472

約数和(自身を除く): 220954112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 127, 128, 130, 155, 160, 208, 248, 254, 256, 260, 310, 320, 403, 416, 496, 508, 512, 520, 620, 635, 640, 806, 832, 992, 1016, 1040, 1240, 1270, 1280, 1612, 1651, 1664, 1984, 2015, 2032, 2080, 2480, 2540, 2560, 3224, 3302, 3328, 3937, 3968, 4030, 4064, 4160, 4960, 5080, 6448, 6604, 6656, 7874, 7936, 8060, 8128, 8255, 8320, 9920, 10160, 12896, 13208, 15748, 15872, 16120, 16256, 16510, 16640, 19685, 19840, 20320, 25792, 26416, 31496, 32240, 32512, 33020, 33280, 39370, 39680, 40640, 51181, 51584, 52832, 62992, 64480, 65024, 66040, 78740, 79360, 81280, 102362, 103168, 105664, 125984, 128960, 132080, 157480, 162560, 204724, 206336, 211328, 251968, 255905, 257920, 264160, 314960, 325120, 409448, 422656, 503936, 511810, 515840, 528320, 629920, 818896, 845312, 1007872, 1023620, 1031680, 1056640, 1259840, 1637792, 2015744, 2047240, 2113280, 2519680, 3275584, 4094480, 4226560, 5039360, 6551168, 8188960, 10078720, 13102336, 16377920, 26204672, 32755840, 65511680, 131023360]

約数ペア:

[(1, 131023360), (2, 65511680), (4, 32755840), (5, 26204672), (8, 16377920), (10, 13102336), (13, 10078720), (16, 8188960), (20, 6551168), (26, 5039360), (31, 4226560), (32, 4094480), (40, 3275584), (52, 2519680), (62, 2113280), (64, 2047240), (65, 2015744), (80, 1637792), (104, 1259840), (124, 1056640), (127, 1031680), (128, 1023620), (130, 1007872), (155, 845312), (160, 818896), (208, 629920), (248, 528320), (254, 515840), (256, 511810), (260, 503936), (310, 422656), (320, 409448), (403, 325120), (416, 314960), (496, 264160), (508, 257920), (512, 255905), (520, 251968), (620, 211328), (635, 206336), (640, 204724), (806, 162560), (832, 157480), (992, 132080), (1016, 128960), (1040, 125984), (1240, 105664), (1270, 103168), (1280, 102362), (1612, 81280), (1651, 79360), (1664, 78740), (1984, 66040), (2015, 65024), (2032, 64480), (2080, 62992), (2480, 52832), (2540, 51584), (2560, 51181), (3224, 40640), (3302, 39680), (3328, 39370), (3937, 33280), (3968, 33020), (4030, 32512), (4064, 32240), (4160, 31496), (4960, 26416), (5080, 25792), (6448, 20320), (6604, 19840), (6656, 19685), (7874, 16640), (7936, 16510), (8060, 16256), (8128, 16120), (8255, 15872), (8320, 15748), (9920, 13208), (10160, 12896)]