256856280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{2113}}^1$

素因数の和:3140

約数の個数: 64

約数和(自身を含む): 771694560

約数和(自身を除く): 514838280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1013, 2026, 2113, 3039, 4052, 4226, 5065, 6078, 6339, 8104, 8452, 10130, 10565, 12156, 12678, 15195, 16904, 20260, 21130, 24312, 25356, 30390, 31695, 40520, 42260, 50712, 60780, 63390, 84520, 121560, 126780, 253560, 2140469, 4280938, 6421407, 8561876, 10702345, 12842814, 17123752, 21404690, 25685628, 32107035, 42809380, 51371256, 64214070, 85618760, 128428140, 256856280]

約数ペア:

[(1, 256856280), (2, 128428140), (3, 85618760), (4, 64214070), (5, 51371256), (6, 42809380), (8, 32107035), (10, 25685628), (12, 21404690), (15, 17123752), (20, 12842814), (24, 10702345), (30, 8561876), (40, 6421407), (60, 4280938), (120, 2140469), (1013, 253560), (2026, 126780), (2113, 121560), (3039, 84520), (4052, 63390), (4226, 60780), (5065, 50712), (6078, 42260), (6339, 40520), (8104, 31695), (8452, 30390), (10130, 25356), (10565, 24312), (12156, 21130), (12678, 20260), (15195, 16904)]