64904880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270437}}^1$

素因数の和:270453

約数の個数: 40

約数和(自身を含む): 201205872

約数和(自身を除く): 136300992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270437, 540874, 811311, 1081748, 1352185, 1622622, 2163496, 2704370, 3245244, 4056555, 4326992, 5408740, 6490488, 8113110, 10817480, 12980976, 16226220, 21634960, 32452440, 64904880]

約数ペア:

[(1, 64904880), (2, 32452440), (3, 21634960), (4, 16226220), (5, 12980976), (6, 10817480), (8, 8113110), (10, 6490488), (12, 5408740), (15, 4326992), (16, 4056555), (20, 3245244), (24, 2704370), (30, 2163496), (40, 1622622), (48, 1352185), (60, 1081748), (80, 811311), (120, 540874), (240, 270437)]