247908360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{295129}}^1$

素因数の和:295150

約数の個数: 64

約数和(自身を含む): 849974400

約数和(自身を除く): 602066040

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, 295129, 590258, 885387, 1180516, 1475645, 1770774, 2065903, 2361032, 2951290, 3541548, 4131806, 4426935, 5902580, 6197709, 7083096, 8263612, 8853870, 10329515, 11805160, 12395418, 16527224, 17707740, 20659030, 24790836, 30988545, 35415480, 41318060, 49581672, 61977090, 82636120, 123954180, 247908360]

約数ペア:

[(1, 247908360), (2, 123954180), (3, 82636120), (4, 61977090), (5, 49581672), (6, 41318060), (7, 35415480), (8, 30988545), (10, 24790836), (12, 20659030), (14, 17707740), (15, 16527224), (20, 12395418), (21, 11805160), (24, 10329515), (28, 8853870), (30, 8263612), (35, 7083096), (40, 6197709), (42, 5902580), (56, 4426935), (60, 4131806), (70, 3541548), (84, 2951290), (105, 2361032), (120, 2065903), (140, 1770774), (168, 1475645), (210, 1180516), (280, 885387), (420, 590258), (840, 295129)]