1320292520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{91433}}^1$

素因数の和:91482

約数の個数: 48

約数和(自身を含む): 3135271860

約数和(自身を除く): 1814979340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 91433, 182866, 365732, 457165, 731464, 914330, 1737227, 1828660, 3474454, 3657320, 6948908, 8686135, 13897816, 17372270, 33007313, 34744540, 66014626, 69489080, 132029252, 165036565, 264058504, 330073130, 660146260, 1320292520]

約数ペア:

[(1, 1320292520), (2, 660146260), (4, 330073130), (5, 264058504), (8, 165036565), (10, 132029252), (19, 69489080), (20, 66014626), (38, 34744540), (40, 33007313), (76, 17372270), (95, 13897816), (152, 8686135), (190, 6948908), (361, 3657320), (380, 3474454), (722, 1828660), (760, 1737227), (1444, 914330), (1805, 731464), (2888, 457165), (3610, 365732), (7220, 182866), (14440, 91433)]