688156740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2137}}^1$

素因数の和:3941

約数の個数: 72

約数和(自身を含む): 2089552920

約数和(自身を除く): 1401396180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1789, 2137, 3578, 4274, 5367, 6411, 7156, 8548, 8945, 10685, 10734, 12822, 16101, 17890, 19233, 21370, 21468, 25644, 26835, 32055, 32202, 35780, 38466, 42740, 53670, 64110, 64404, 76932, 80505, 96165, 107340, 128220, 161010, 192330, 322020, 384660, 3823093, 7646186, 11469279, 15292372, 19115465, 22938558, 34407837, 38230930, 45877116, 57346395, 68815674, 76461860, 114692790, 137631348, 172039185, 229385580, 344078370, 688156740]

約数ペア:

[(1, 688156740), (2, 344078370), (3, 229385580), (4, 172039185), (5, 137631348), (6, 114692790), (9, 76461860), (10, 68815674), (12, 57346395), (15, 45877116), (18, 38230930), (20, 34407837), (30, 22938558), (36, 19115465), (45, 15292372), (60, 11469279), (90, 7646186), (180, 3823093), (1789, 384660), (2137, 322020), (3578, 192330), (4274, 161010), (5367, 128220), (6411, 107340), (7156, 96165), (8548, 80505), (8945, 76932), (10685, 64404), (10734, 64110), (12822, 53670), (16101, 42740), (17890, 38466), (19233, 35780), (21370, 32202), (21468, 32055), (25644, 26835)]