31236760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 77241600

約数和(自身を除く): 46004840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 1787, 2185, 3496, 3574, 4370, 7148, 8740, 8935, 14296, 17480, 17870, 33953, 35740, 41101, 67906, 71480, 82202, 135812, 164404, 169765, 205505, 271624, 328808, 339530, 411010, 679060, 780919, 822020, 1358120, 1561838, 1644040, 3123676, 3904595, 6247352, 7809190, 15618380, 31236760]

約数ペア:

[(1, 31236760), (2, 15618380), (4, 7809190), (5, 6247352), (8, 3904595), (10, 3123676), (19, 1644040), (20, 1561838), (23, 1358120), (38, 822020), (40, 780919), (46, 679060), (76, 411010), (92, 339530), (95, 328808), (115, 271624), (152, 205505), (184, 169765), (190, 164404), (230, 135812), (380, 82202), (437, 71480), (460, 67906), (760, 41101), (874, 35740), (920, 33953), (1748, 17870), (1787, 17480), (2185, 14296), (3496, 8935), (3574, 8740), (4370, 7148)]