71790660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 238820400

約数和(自身を除く): 167029740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 809, 870, 986, 1020, 1044, 1305, 1479, 1530, 1618, 1740, 1972, 2427, 2465, 2610, 2958, 3060, 3236, 4045, 4437, 4854, 4930, 5220, 5916, 7281, 7395, 8090, 8874, 9708, 9860, 12135, 13753, 14562, 14790, 16180, 17748, 22185, 23461, 24270, 27506, 29124, 29580, 36405, 41259, 44370, 46922, 48540, 55012, 68765, 70383, 72810, 82518, 88740, 93844, 117305, 123777, 137530, 140766, 145620, 165036, 206295, 211149, 234610, 247554, 275060, 281532, 351915, 398837, 412590, 422298, 469220, 495108, 618885, 703830, 797674, 825180, 844596, 1055745, 1196511, 1237770, 1407660, 1595348, 1994185, 2111490, 2393022, 2475540, 3589533, 3988370, 4222980, 4786044, 5982555, 7179066, 7976740, 11965110, 14358132, 17947665, 23930220, 35895330, 71790660]

約数ペア:

[(1, 71790660), (2, 35895330), (3, 23930220), (4, 17947665), (5, 14358132), (6, 11965110), (9, 7976740), (10, 7179066), (12, 5982555), (15, 4786044), (17, 4222980), (18, 3988370), (20, 3589533), (29, 2475540), (30, 2393022), (34, 2111490), (36, 1994185), (45, 1595348), (51, 1407660), (58, 1237770), (60, 1196511), (68, 1055745), (85, 844596), (87, 825180), (90, 797674), (102, 703830), (116, 618885), (145, 495108), (153, 469220), (170, 422298), (174, 412590), (180, 398837), (204, 351915), (255, 281532), (261, 275060), (290, 247554), (306, 234610), (340, 211149), (348, 206295), (435, 165036), (493, 145620), (510, 140766), (522, 137530), (580, 123777), (612, 117305), (765, 93844), (809, 88740), (870, 82518), (986, 72810), (1020, 70383), (1044, 68765), (1305, 55012), (1479, 48540), (1530, 46922), (1618, 44370), (1740, 41259), (1972, 36405), (2427, 29580), (2465, 29124), (2610, 27506), (2958, 24270), (3060, 23461), (3236, 22185), (4045, 17748), (4437, 16180), (4854, 14790), (4930, 14562), (5220, 13753), (5916, 12135), (7281, 9860), (7395, 9708), (8090, 8874)]