1720512180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1246

約数の個数: 144

約数和(自身を含む): 5337206784

約数和(自身を除く): 3616694604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 127, 146, 180, 219, 254, 292, 365, 381, 438, 508, 635, 657, 730, 762, 876, 1031, 1095, 1143, 1270, 1314, 1460, 1524, 1905, 2062, 2190, 2286, 2540, 2628, 3093, 3285, 3810, 4124, 4380, 4572, 5155, 5715, 6186, 6570, 7620, 9271, 9279, 10310, 11430, 12372, 13140, 15465, 18542, 18558, 20620, 22860, 27813, 30930, 37084, 37116, 46355, 46395, 55626, 61860, 75263, 83439, 92710, 92790, 111252, 130937, 139065, 150526, 166878, 185420, 185580, 225789, 261874, 278130, 301052, 333756, 376315, 392811, 417195, 451578, 523748, 556260, 654685, 677367, 752630, 785622, 834390, 903156, 1128945, 1178433, 1309370, 1354734, 1505260, 1571244, 1668780, 1964055, 2257890, 2356866, 2618740, 2709468, 3386835, 3928110, 4515780, 4713732, 5892165, 6773670, 7856220, 9558401, 11784330, 13547340, 19116802, 23568660, 28675203, 38233604, 47792005, 57350406, 86025609, 95584010, 114700812, 143376015, 172051218, 191168020, 286752030, 344102436, 430128045, 573504060, 860256090, 1720512180]

約数ペア:

[(1, 1720512180), (2, 860256090), (3, 573504060), (4, 430128045), (5, 344102436), (6, 286752030), (9, 191168020), (10, 172051218), (12, 143376015), (15, 114700812), (18, 95584010), (20, 86025609), (30, 57350406), (36, 47792005), (45, 38233604), (60, 28675203), (73, 23568660), (90, 19116802), (127, 13547340), (146, 11784330), (180, 9558401), (219, 7856220), (254, 6773670), (292, 5892165), (365, 4713732), (381, 4515780), (438, 3928110), (508, 3386835), (635, 2709468), (657, 2618740), (730, 2356866), (762, 2257890), (876, 1964055), (1031, 1668780), (1095, 1571244), (1143, 1505260), (1270, 1354734), (1314, 1309370), (1460, 1178433), (1524, 1128945), (1905, 903156), (2062, 834390), (2190, 785622), (2286, 752630), (2540, 677367), (2628, 654685), (3093, 556260), (3285, 523748), (3810, 451578), (4124, 417195), (4380, 392811), (4572, 376315), (5155, 333756), (5715, 301052), (6186, 278130), (6570, 261874), (7620, 225789), (9271, 185580), (9279, 185420), (10310, 166878), (11430, 150526), (12372, 139065), (13140, 130937), (15465, 111252), (18542, 92790), (18558, 92710), (20620, 83439), (22860, 75263), (27813, 61860), (30930, 55626), (37084, 46395), (37116, 46355)]