71757540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 227555328

約数和(自身を除く): 155797788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 73, 86, 90, 127, 129, 146, 172, 180, 215, 219, 254, 258, 292, 365, 381, 387, 430, 438, 508, 516, 635, 645, 657, 730, 762, 774, 860, 876, 1095, 1143, 1270, 1290, 1314, 1460, 1524, 1548, 1905, 1935, 2190, 2286, 2540, 2580, 2628, 3139, 3285, 3810, 3870, 4380, 4572, 5461, 5715, 6278, 6570, 7620, 7740, 9271, 9417, 10922, 11430, 12556, 13140, 15695, 16383, 18542, 18834, 21844, 22860, 27305, 27813, 28251, 31390, 32766, 37084, 37668, 46355, 47085, 49149, 54610, 55626, 56502, 62780, 65532, 81915, 83439, 92710, 94170, 98298, 109220, 111252, 113004, 139065, 141255, 163830, 166878, 185420, 188340, 196596, 245745, 278130, 282510, 327660, 333756, 398653, 417195, 491490, 556260, 565020, 797306, 834390, 982980, 1195959, 1594612, 1668780, 1993265, 2391918, 3587877, 3986530, 4783836, 5979795, 7175754, 7973060, 11959590, 14351508, 17939385, 23919180, 35878770, 71757540]

約数ペア:

[(1, 71757540), (2, 35878770), (3, 23919180), (4, 17939385), (5, 14351508), (6, 11959590), (9, 7973060), (10, 7175754), (12, 5979795), (15, 4783836), (18, 3986530), (20, 3587877), (30, 2391918), (36, 1993265), (43, 1668780), (45, 1594612), (60, 1195959), (73, 982980), (86, 834390), (90, 797306), (127, 565020), (129, 556260), (146, 491490), (172, 417195), (180, 398653), (215, 333756), (219, 327660), (254, 282510), (258, 278130), (292, 245745), (365, 196596), (381, 188340), (387, 185420), (430, 166878), (438, 163830), (508, 141255), (516, 139065), (635, 113004), (645, 111252), (657, 109220), (730, 98298), (762, 94170), (774, 92710), (860, 83439), (876, 81915), (1095, 65532), (1143, 62780), (1270, 56502), (1290, 55626), (1314, 54610), (1460, 49149), (1524, 47085), (1548, 46355), (1905, 37668), (1935, 37084), (2190, 32766), (2286, 31390), (2540, 28251), (2580, 27813), (2628, 27305), (3139, 22860), (3285, 21844), (3810, 18834), (3870, 18542), (4380, 16383), (4572, 15695), (5461, 13140), (5715, 12556), (6278, 11430), (6570, 10922), (7620, 9417), (7740, 9271)]