7965180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 27125280

約数和(自身を除く): 19160100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 137, 153, 170, 171, 180, 190, 204, 228, 255, 274, 285, 306, 323, 340, 342, 380, 411, 510, 548, 570, 612, 646, 684, 685, 765, 822, 855, 969, 1020, 1140, 1233, 1292, 1370, 1530, 1615, 1644, 1710, 1938, 2055, 2329, 2466, 2603, 2740, 2907, 3060, 3230, 3420, 3876, 4110, 4658, 4845, 4932, 5206, 5814, 6165, 6460, 6987, 7809, 8220, 9316, 9690, 10412, 11628, 11645, 12330, 13015, 13974, 14535, 15618, 19380, 20961, 23290, 23427, 24660, 26030, 27948, 29070, 31236, 34935, 39045, 41922, 44251, 46580, 46854, 52060, 58140, 69870, 78090, 83844, 88502, 93708, 104805, 117135, 132753, 139740, 156180, 177004, 209610, 221255, 234270, 265506, 398259, 419220, 442510, 468540, 531012, 663765, 796518, 885020, 1327530, 1593036, 1991295, 2655060, 3982590, 7965180]

約数ペア:

[(1, 7965180), (2, 3982590), (3, 2655060), (4, 1991295), (5, 1593036), (6, 1327530), (9, 885020), (10, 796518), (12, 663765), (15, 531012), (17, 468540), (18, 442510), (19, 419220), (20, 398259), (30, 265506), (34, 234270), (36, 221255), (38, 209610), (45, 177004), (51, 156180), (57, 139740), (60, 132753), (68, 117135), (76, 104805), (85, 93708), (90, 88502), (95, 83844), (102, 78090), (114, 69870), (137, 58140), (153, 52060), (170, 46854), (171, 46580), (180, 44251), (190, 41922), (204, 39045), (228, 34935), (255, 31236), (274, 29070), (285, 27948), (306, 26030), (323, 24660), (340, 23427), (342, 23290), (380, 20961), (411, 19380), (510, 15618), (548, 14535), (570, 13974), (612, 13015), (646, 12330), (684, 11645), (685, 11628), (765, 10412), (822, 9690), (855, 9316), (969, 8220), (1020, 7809), (1140, 6987), (1233, 6460), (1292, 6165), (1370, 5814), (1530, 5206), (1615, 4932), (1644, 4845), (1710, 4658), (1938, 4110), (2055, 3876), (2329, 3420), (2466, 3230), (2603, 3060), (2740, 2907)]