1556213620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1493}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 3724721280

約数和(自身を除く): 2168507660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 211, 247, 260, 380, 422, 494, 844, 988, 1055, 1235, 1493, 2110, 2470, 2743, 2986, 4009, 4220, 4940, 5486, 5972, 7465, 8018, 10972, 13715, 14930, 16036, 19409, 20045, 27430, 28367, 29860, 38818, 40090, 52117, 54860, 56734, 77636, 80180, 97045, 104234, 113468, 141835, 194090, 208468, 260585, 283670, 315023, 368771, 388180, 521170, 567340, 630046, 737542, 1042340, 1260092, 1475084, 1575115, 1843855, 3150230, 3687710, 4095299, 5985437, 6300460, 7375420, 8190598, 11970874, 16381196, 20476495, 23941748, 29927185, 40952990, 59854370, 77810681, 81905980, 119708740, 155621362, 311242724, 389053405, 778106810, 1556213620]

約数ペア:

[(1, 1556213620), (2, 778106810), (4, 389053405), (5, 311242724), (10, 155621362), (13, 119708740), (19, 81905980), (20, 77810681), (26, 59854370), (38, 40952990), (52, 29927185), (65, 23941748), (76, 20476495), (95, 16381196), (130, 11970874), (190, 8190598), (211, 7375420), (247, 6300460), (260, 5985437), (380, 4095299), (422, 3687710), (494, 3150230), (844, 1843855), (988, 1575115), (1055, 1475084), (1235, 1260092), (1493, 1042340), (2110, 737542), (2470, 630046), (2743, 567340), (2986, 521170), (4009, 388180), (4220, 368771), (4940, 315023), (5486, 283670), (5972, 260585), (7465, 208468), (8018, 194090), (10972, 141835), (13715, 113468), (14930, 104234), (16036, 97045), (19409, 80180), (20045, 77636), (27430, 56734), (28367, 54860), (29860, 52117), (38818, 40090)]