31990770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 105131520

約数和(自身を除く): 73140750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 29, 30, 34, 35, 42, 45, 51, 58, 63, 70, 85, 87, 90, 102, 103, 105, 119, 126, 145, 153, 170, 174, 203, 206, 210, 238, 255, 261, 290, 306, 309, 315, 357, 406, 435, 493, 510, 515, 522, 595, 609, 618, 630, 714, 721, 765, 870, 927, 986, 1015, 1030, 1071, 1190, 1218, 1305, 1442, 1479, 1530, 1545, 1751, 1785, 1827, 1854, 2030, 2142, 2163, 2465, 2610, 2958, 2987, 3045, 3090, 3451, 3502, 3570, 3605, 3654, 4326, 4437, 4635, 4930, 5253, 5355, 5974, 6090, 6489, 6902, 7210, 7395, 8755, 8874, 8961, 9135, 9270, 10353, 10506, 10710, 10815, 12257, 12978, 14790, 14935, 15759, 17255, 17510, 17922, 18270, 20706, 20909, 21630, 22185, 24514, 26265, 26883, 29870, 31059, 31518, 32445, 34510, 36771, 41818, 44370, 44805, 50779, 51765, 52530, 53766, 61285, 62118, 62727, 64890, 73542, 78795, 89610, 101558, 103530, 104545, 110313, 122570, 125454, 134415, 152337, 155295, 157590, 183855, 188181, 209090, 220626, 253895, 268830, 304674, 310590, 313635, 355453, 367710, 376362, 457011, 507790, 551565, 627270, 710906, 761685, 914022, 940905, 1066359, 1103130, 1523370, 1777265, 1881810, 2132718, 2285055, 3199077, 3554530, 4570110, 5331795, 6398154, 10663590, 15995385, 31990770]

約数ペア:

[(1, 31990770), (2, 15995385), (3, 10663590), (5, 6398154), (6, 5331795), (7, 4570110), (9, 3554530), (10, 3199077), (14, 2285055), (15, 2132718), (17, 1881810), (18, 1777265), (21, 1523370), (29, 1103130), (30, 1066359), (34, 940905), (35, 914022), (42, 761685), (45, 710906), (51, 627270), (58, 551565), (63, 507790), (70, 457011), (85, 376362), (87, 367710), (90, 355453), (102, 313635), (103, 310590), (105, 304674), (119, 268830), (126, 253895), (145, 220626), (153, 209090), (170, 188181), (174, 183855), (203, 157590), (206, 155295), (210, 152337), (238, 134415), (255, 125454), (261, 122570), (290, 110313), (306, 104545), (309, 103530), (315, 101558), (357, 89610), (406, 78795), (435, 73542), (493, 64890), (510, 62727), (515, 62118), (522, 61285), (595, 53766), (609, 52530), (618, 51765), (630, 50779), (714, 44805), (721, 44370), (765, 41818), (870, 36771), (927, 34510), (986, 32445), (1015, 31518), (1030, 31059), (1071, 29870), (1190, 26883), (1218, 26265), (1305, 24514), (1442, 22185), (1479, 21630), (1530, 20909), (1545, 20706), (1751, 18270), (1785, 17922), (1827, 17510), (1854, 17255), (2030, 15759), (2142, 14935), (2163, 14790), (2465, 12978), (2610, 12257), (2958, 10815), (2987, 10710), (3045, 10506), (3090, 10353), (3451, 9270), (3502, 9135), (3570, 8961), (3605, 8874), (3654, 8755), (4326, 7395), (4437, 7210), (4635, 6902), (4930, 6489), (5253, 6090), (5355, 5974)]