19871686440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1\times {\mathrm{2351}}^1$

素因数の和:2864

約数の個数: 192

約数和(自身を含む): 65978115840

約数和(自身を除く): 46106429400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 443, 477, 530, 636, 795, 886, 954, 1060, 1272, 1329, 1590, 1772, 1908, 2120, 2215, 2351, 2385, 2658, 3180, 3544, 3816, 3987, 4430, 4702, 4770, 5316, 6360, 6645, 7053, 7974, 8860, 9404, 9540, 10632, 11755, 13290, 14106, 15948, 17720, 18808, 19080, 19935, 21159, 23479, 23510, 26580, 28212, 31896, 35265, 39870, 42318, 46958, 47020, 53160, 56424, 70437, 70530, 79740, 84636, 93916, 94040, 105795, 117395, 124603, 140874, 141060, 159480, 169272, 187832, 211311, 211590, 234790, 249206, 281748, 282120, 352185, 373809, 422622, 423180, 469580, 498412, 563496, 623015, 704370, 747618, 845244, 846360, 939160, 996824, 1041493, 1056555, 1121427, 1246030, 1408740, 1495236, 1690488, 1869045, 2082986, 2113110, 2242854, 2492060, 2817480, 2990472, 3124479, 3738090, 4165972, 4226220, 4485708, 4984120, 5207465, 5607135, 6248958, 7476180, 8331944, 8452440, 8971416, 9373437, 10414930, 11214270, 12497916, 14952360, 15622395, 18746874, 20829860, 22428540, 24995832, 31244790, 37493748, 41659720, 44857080, 46867185, 55199129, 62489580, 74987496, 93734370, 110398258, 124979160, 165597387, 187468740, 220796516, 275995645, 331194774, 374937480, 441593032, 496792161, 551991290, 662389548, 827986935, 993584322, 1103982580, 1324779096, 1655973870, 1987168644, 2207965160, 2483960805, 3311947740, 3974337288, 4967921610, 6623895480, 9935843220, 19871686440]

約数ペア:

[(1, 19871686440), (2, 9935843220), (3, 6623895480), (4, 4967921610), (5, 3974337288), (6, 3311947740), (8, 2483960805), (9, 2207965160), (10, 1987168644), (12, 1655973870), (15, 1324779096), (18, 1103982580), (20, 993584322), (24, 827986935), (30, 662389548), (36, 551991290), (40, 496792161), (45, 441593032), (53, 374937480), (60, 331194774), (72, 275995645), (90, 220796516), (106, 187468740), (120, 165597387), (159, 124979160), (180, 110398258), (212, 93734370), (265, 74987496), (318, 62489580), (360, 55199129), (424, 46867185), (443, 44857080), (477, 41659720), (530, 37493748), (636, 31244790), (795, 24995832), (886, 22428540), (954, 20829860), (1060, 18746874), (1272, 15622395), (1329, 14952360), (1590, 12497916), (1772, 11214270), (1908, 10414930), (2120, 9373437), (2215, 8971416), (2351, 8452440), (2385, 8331944), (2658, 7476180), (3180, 6248958), (3544, 5607135), (3816, 5207465), (3987, 4984120), (4430, 4485708), (4702, 4226220), (4770, 4165972), (5316, 3738090), (6360, 3124479), (6645, 2990472), (7053, 2817480), (7974, 2492060), (8860, 2242854), (9404, 2113110), (9540, 2082986), (10632, 1869045), (11755, 1690488), (13290, 1495236), (14106, 1408740), (15948, 1246030), (17720, 1121427), (18808, 1056555), (19080, 1041493), (19935, 996824), (21159, 939160), (23479, 846360), (23510, 845244), (26580, 747618), (28212, 704370), (31896, 623015), (35265, 563496), (39870, 498412), (42318, 469580), (46958, 423180), (47020, 422622), (53160, 373809), (56424, 352185), (70437, 282120), (70530, 281748), (79740, 249206), (84636, 234790), (93916, 211590), (94040, 211311), (105795, 187832), (117395, 169272), (124603, 159480), (140874, 141060)]