127178740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{509}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 297780840

約数和(自身を除く): 170602100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 509, 620, 806, 961, 1018, 1612, 1922, 2015, 2036, 2545, 3844, 4030, 4805, 5090, 6617, 8060, 9610, 10180, 12493, 13234, 15779, 19220, 24986, 26468, 31558, 33085, 49972, 62465, 63116, 66170, 78895, 124930, 132340, 157790, 205127, 249860, 315580, 410254, 489149, 820508, 978298, 1025635, 1956596, 2051270, 2445745, 4102540, 4891490, 6358937, 9782980, 12717874, 25435748, 31794685, 63589370, 127178740]

約数ペア:

[(1, 127178740), (2, 63589370), (4, 31794685), (5, 25435748), (10, 12717874), (13, 9782980), (20, 6358937), (26, 4891490), (31, 4102540), (52, 2445745), (62, 2051270), (65, 1956596), (124, 1025635), (130, 978298), (155, 820508), (260, 489149), (310, 410254), (403, 315580), (509, 249860), (620, 205127), (806, 157790), (961, 132340), (1018, 124930), (1612, 78895), (1922, 66170), (2015, 63116), (2036, 62465), (2545, 49972), (3844, 33085), (4030, 31558), (4805, 26468), (5090, 24986), (6617, 19220), (8060, 15779), (9610, 13234), (10180, 12493)]