66686280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2113}}^1$

素因数の和:2390

約数の個数: 64

約数和(自身を含む): 200914560

約数和(自身を除く): 134228280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2113, 2630, 3156, 3945, 4226, 5260, 6312, 6339, 7890, 8452, 10520, 10565, 12678, 15780, 16904, 21130, 25356, 31560, 31695, 42260, 50712, 63390, 84520, 126780, 253560, 555719, 1111438, 1667157, 2222876, 2778595, 3334314, 4445752, 5557190, 6668628, 8335785, 11114380, 13337256, 16671570, 22228760, 33343140, 66686280]

約数ペア:

[(1, 66686280), (2, 33343140), (3, 22228760), (4, 16671570), (5, 13337256), (6, 11114380), (8, 8335785), (10, 6668628), (12, 5557190), (15, 4445752), (20, 3334314), (24, 2778595), (30, 2222876), (40, 1667157), (60, 1111438), (120, 555719), (263, 253560), (526, 126780), (789, 84520), (1052, 63390), (1315, 50712), (1578, 42260), (2104, 31695), (2113, 31560), (2630, 25356), (3156, 21130), (3945, 16904), (4226, 15780), (5260, 12678), (6312, 10565), (6339, 10520), (7890, 8452)]