268631580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639599}}^1$

素因数の和:639618

約数の個数: 48

約数和(自身を含む): 859622400

約数和(自身を除く): 590990820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 639599, 1279198, 1918797, 2558396, 3197995, 3837594, 4477193, 6395990, 7675188, 8954386, 9593985, 12791980, 13431579, 17908772, 19187970, 22385965, 26863158, 38375940, 44771930, 53726316, 67157895, 89543860, 134315790, 268631580]

約数ペア:

[(1, 268631580), (2, 134315790), (3, 89543860), (4, 67157895), (5, 53726316), (6, 44771930), (7, 38375940), (10, 26863158), (12, 22385965), (14, 19187970), (15, 17908772), (20, 13431579), (21, 12791980), (28, 9593985), (30, 8954386), (35, 7675188), (42, 6395990), (60, 4477193), (70, 3837594), (84, 3197995), (105, 2558396), (140, 1918797), (210, 1279198), (420, 639599)]