205908360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245129}}^1$

素因数の和:245150

約数の個数: 64

約数和(自身を含む): 705974400

約数和(自身を除く): 500066040

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, 245129, 490258, 735387, 980516, 1225645, 1470774, 1715903, 1961032, 2451290, 2941548, 3431806, 3676935, 4902580, 5147709, 5883096, 6863612, 7353870, 8579515, 9805160, 10295418, 13727224, 14707740, 17159030, 20590836, 25738545, 29415480, 34318060, 41181672, 51477090, 68636120, 102954180, 205908360]

約数ペア:

[(1, 205908360), (2, 102954180), (3, 68636120), (4, 51477090), (5, 41181672), (6, 34318060), (7, 29415480), (8, 25738545), (10, 20590836), (12, 17159030), (14, 14707740), (15, 13727224), (20, 10295418), (21, 9805160), (24, 8579515), (28, 7353870), (30, 6863612), (35, 5883096), (40, 5147709), (42, 4902580), (56, 3676935), (60, 3431806), (70, 2941548), (84, 2451290), (105, 1961032), (120, 1715903), (140, 1470774), (168, 1225645), (210, 980516), (280, 735387), (420, 490258), (840, 245129)]