161870904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 485601480

約数和(自身を除く): 323730576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 169, 212, 234, 251, 312, 318, 338, 424, 468, 477, 502, 507, 636, 676, 689, 753, 936, 954, 1004, 1014, 1272, 1352, 1378, 1506, 1521, 1908, 2008, 2028, 2067, 2259, 2756, 3012, 3042, 3263, 3816, 4056, 4134, 4518, 5512, 6024, 6084, 6201, 6526, 8268, 8957, 9036, 9789, 12168, 12402, 13052, 13303, 16536, 17914, 18072, 19578, 24804, 26104, 26606, 26871, 29367, 35828, 39156, 39909, 42419, 49608, 53212, 53742, 58734, 71656, 78312, 79818, 80613, 84838, 106424, 107484, 117468, 119727, 127257, 159636, 161226, 169676, 172939, 214968, 234936, 239454, 254514, 319272, 322452, 339352, 345878, 381771, 478908, 509028, 518817, 644904, 691756, 763542, 957816, 1018056, 1037634, 1383512, 1527084, 1556451, 2075268, 2248207, 3054168, 3112902, 4150536, 4496414, 6225804, 6744621, 8992828, 12451608, 13489242, 17985656, 20233863, 26978484, 40467726, 53956968, 80935452, 161870904]

約数ペア:

[(1, 161870904), (2, 80935452), (3, 53956968), (4, 40467726), (6, 26978484), (8, 20233863), (9, 17985656), (12, 13489242), (13, 12451608), (18, 8992828), (24, 6744621), (26, 6225804), (36, 4496414), (39, 4150536), (52, 3112902), (53, 3054168), (72, 2248207), (78, 2075268), (104, 1556451), (106, 1527084), (117, 1383512), (156, 1037634), (159, 1018056), (169, 957816), (212, 763542), (234, 691756), (251, 644904), (312, 518817), (318, 509028), (338, 478908), (424, 381771), (468, 345878), (477, 339352), (502, 322452), (507, 319272), (636, 254514), (676, 239454), (689, 234936), (753, 214968), (936, 172939), (954, 169676), (1004, 161226), (1014, 159636), (1272, 127257), (1352, 119727), (1378, 117468), (1506, 107484), (1521, 106424), (1908, 84838), (2008, 80613), (2028, 79818), (2067, 78312), (2259, 71656), (2756, 58734), (3012, 53742), (3042, 53212), (3263, 49608), (3816, 42419), (4056, 39909), (4134, 39156), (4518, 35828), (5512, 29367), (6024, 26871), (6084, 26606), (6201, 26104), (6526, 24804), (8268, 19578), (8957, 18072), (9036, 17914), (9789, 16536), (12168, 13303), (12402, 13052)]