1577127560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{3643}}^1$

素因数の和:3870

約数の個数: 64

約数和(自身を含む): 3620678400

約数和(自身を除く): 2043550840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 137, 158, 274, 316, 395, 548, 632, 685, 790, 1096, 1370, 1580, 2740, 3160, 3643, 5480, 7286, 10823, 14572, 18215, 21646, 29144, 36430, 43292, 54115, 72860, 86584, 108230, 145720, 216460, 287797, 432920, 499091, 575594, 998182, 1151188, 1438985, 1996364, 2302376, 2495455, 2877970, 3992728, 4990910, 5755940, 9981820, 11511880, 19963640, 39428189, 78856378, 157712756, 197140945, 315425512, 394281890, 788563780, 1577127560]

約数ペア:

[(1, 1577127560), (2, 788563780), (4, 394281890), (5, 315425512), (8, 197140945), (10, 157712756), (20, 78856378), (40, 39428189), (79, 19963640), (137, 11511880), (158, 9981820), (274, 5755940), (316, 4990910), (395, 3992728), (548, 2877970), (632, 2495455), (685, 2302376), (790, 1996364), (1096, 1438985), (1370, 1151188), (1580, 998182), (2740, 575594), (3160, 499091), (3643, 432920), (5480, 287797), (7286, 216460), (10823, 145720), (14572, 108230), (18215, 86584), (21646, 72860), (29144, 54115), (36430, 43292)]