12705990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 33626880

約数和(自身を除く): 20920890

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 139, 165, 277, 278, 330, 417, 554, 695, 831, 834, 1385, 1390, 1529, 1662, 2085, 2770, 3047, 3058, 4155, 4170, 4587, 6094, 7645, 8310, 9141, 9174, 15235, 15290, 18282, 22935, 30470, 38503, 45705, 45870, 77006, 91410, 115509, 192515, 231018, 385030, 423533, 577545, 847066, 1155090, 1270599, 2117665, 2541198, 4235330, 6352995, 12705990]

約数ペア:

[(1, 12705990), (2, 6352995), (3, 4235330), (5, 2541198), (6, 2117665), (10, 1270599), (11, 1155090), (15, 847066), (22, 577545), (30, 423533), (33, 385030), (55, 231018), (66, 192515), (110, 115509), (139, 91410), (165, 77006), (277, 45870), (278, 45705), (330, 38503), (417, 30470), (554, 22935), (695, 18282), (831, 15290), (834, 15235), (1385, 9174), (1390, 9141), (1529, 8310), (1662, 7645), (2085, 6094), (2770, 4587), (3047, 4170), (3058, 4155)]