64516560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268819}}^1$

素因数の和:268835

約数の個数: 40

約数和(自身を含む): 200002080

約数和(自身を除く): 135485520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268819, 537638, 806457, 1075276, 1344095, 1612914, 2150552, 2688190, 3225828, 4032285, 4301104, 5376380, 6451656, 8064570, 10752760, 12903312, 16129140, 21505520, 32258280, 64516560]

約数ペア:

[(1, 64516560), (2, 32258280), (3, 21505520), (4, 16129140), (5, 12903312), (6, 10752760), (8, 8064570), (10, 6451656), (12, 5376380), (15, 4301104), (16, 4032285), (20, 3225828), (24, 2688190), (30, 2150552), (40, 1612914), (48, 1344095), (60, 1075276), (80, 806457), (120, 537638), (240, 268819)]