680608240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5153}}^1$

素因数の和:5306

約数の個数: 80

約数和(自身を含む): 1717890048

約数和(自身を除く): 1037281808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 5153, 6604, 8255, 10160, 10306, 13208, 16510, 20612, 25765, 26416, 33020, 41224, 51530, 66040, 66989, 82448, 103060, 132080, 133978, 206120, 267956, 334945, 412240, 535912, 654431, 669890, 1071824, 1308862, 1339780, 2617724, 2679560, 3272155, 5235448, 5359120, 6544310, 8507603, 10470896, 13088620, 17015206, 26177240, 34030412, 42538015, 52354480, 68060824, 85076030, 136121648, 170152060, 340304120, 680608240]

約数ペア:

[(1, 680608240), (2, 340304120), (4, 170152060), (5, 136121648), (8, 85076030), (10, 68060824), (13, 52354480), (16, 42538015), (20, 34030412), (26, 26177240), (40, 17015206), (52, 13088620), (65, 10470896), (80, 8507603), (104, 6544310), (127, 5359120), (130, 5235448), (208, 3272155), (254, 2679560), (260, 2617724), (508, 1339780), (520, 1308862), (635, 1071824), (1016, 669890), (1040, 654431), (1270, 535912), (1651, 412240), (2032, 334945), (2540, 267956), (3302, 206120), (5080, 133978), (5153, 132080), (6604, 103060), (8255, 82448), (10160, 66989), (10306, 66040), (13208, 51530), (16510, 41224), (20612, 33020), (25765, 26416)]