128215980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{839}}^1$

素因数の和:1140

約数の個数: 96

約数和(自身を含む): 400780800

約数和(自身を除く): 272564820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 283, 540, 566, 839, 849, 1132, 1415, 1678, 1698, 2517, 2547, 2830, 3356, 3396, 4195, 4245, 5034, 5094, 5660, 7551, 7641, 8390, 8490, 10068, 10188, 12585, 12735, 15102, 15282, 16780, 16980, 22653, 25170, 25470, 30204, 30564, 37755, 38205, 45306, 50340, 50940, 75510, 76410, 90612, 113265, 151020, 152820, 226530, 237437, 453060, 474874, 712311, 949748, 1187185, 1424622, 2136933, 2374370, 2849244, 3561555, 4273866, 4748740, 6410799, 7123110, 8547732, 10684665, 12821598, 14246220, 21369330, 25643196, 32053995, 42738660, 64107990, 128215980]

約数ペア:

[(1, 128215980), (2, 64107990), (3, 42738660), (4, 32053995), (5, 25643196), (6, 21369330), (9, 14246220), (10, 12821598), (12, 10684665), (15, 8547732), (18, 7123110), (20, 6410799), (27, 4748740), (30, 4273866), (36, 3561555), (45, 2849244), (54, 2374370), (60, 2136933), (90, 1424622), (108, 1187185), (135, 949748), (180, 712311), (270, 474874), (283, 453060), (540, 237437), (566, 226530), (839, 152820), (849, 151020), (1132, 113265), (1415, 90612), (1678, 76410), (1698, 75510), (2517, 50940), (2547, 50340), (2830, 45306), (3356, 38205), (3396, 37755), (4195, 30564), (4245, 30204), (5034, 25470), (5094, 25170), (5660, 22653), (7551, 16980), (7641, 16780), (8390, 15282), (8490, 15102), (10068, 12735), (10188, 12585)]