208161240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247811}}^1$

素因数の和:247832

約数の個数: 64

約数和(自身を含む): 713698560

約数和(自身を除く): 505537320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247811, 495622, 743433, 991244, 1239055, 1486866, 1734677, 1982488, 2478110, 2973732, 3469354, 3717165, 4956220, 5204031, 5947464, 6938708, 7434330, 8673385, 9912440, 10408062, 13877416, 14868660, 17346770, 20816124, 26020155, 29737320, 34693540, 41632248, 52040310, 69387080, 104080620, 208161240]

約数ペア:

[(1, 208161240), (2, 104080620), (3, 69387080), (4, 52040310), (5, 41632248), (6, 34693540), (7, 29737320), (8, 26020155), (10, 20816124), (12, 17346770), (14, 14868660), (15, 13877416), (20, 10408062), (21, 9912440), (24, 8673385), (28, 7434330), (30, 6938708), (35, 5947464), (40, 5204031), (42, 4956220), (56, 3717165), (60, 3469354), (70, 2973732), (84, 2478110), (105, 1982488), (120, 1734677), (140, 1486866), (168, 1239055), (210, 991244), (280, 743433), (420, 495622), (840, 247811)]