215170620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{512311}}^1$

素因数の和:512330

約数の個数: 48

約数和(自身を含む): 688547328

約数和(自身を除く): 473376708

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, 512311, 1024622, 1536933, 2049244, 2561555, 3073866, 3586177, 5123110, 6147732, 7172354, 7684665, 10246220, 10758531, 14344708, 15369330, 17930885, 21517062, 30738660, 35861770, 43034124, 53792655, 71723540, 107585310, 215170620]

約数ペア:

[(1, 215170620), (2, 107585310), (3, 71723540), (4, 53792655), (5, 43034124), (6, 35861770), (7, 30738660), (10, 21517062), (12, 17930885), (14, 15369330), (15, 14344708), (20, 10758531), (21, 10246220), (28, 7684665), (30, 7172354), (35, 6147732), (42, 5123110), (60, 3586177), (70, 3073866), (84, 2561555), (105, 2049244), (140, 1536933), (210, 1024622), (420, 512311)]