1231580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 3118080

約数和(自身を除く): 1886500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 463, 532, 665, 926, 1330, 1852, 2315, 2660, 3241, 4630, 6482, 8797, 9260, 12964, 16205, 17594, 32410, 35188, 43985, 61579, 64820, 87970, 123158, 175940, 246316, 307895, 615790, 1231580]

約数ペア:

[(1, 1231580), (2, 615790), (4, 307895), (5, 246316), (7, 175940), (10, 123158), (14, 87970), (19, 64820), (20, 61579), (28, 43985), (35, 35188), (38, 32410), (70, 17594), (76, 16205), (95, 12964), (133, 9260), (140, 8797), (190, 6482), (266, 4630), (380, 3241), (463, 2660), (532, 2315), (665, 1852), (926, 1330)]