64897680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270407}}^1$

素因数の和:270423

約数の個数: 40

約数和(自身を含む): 201183552

約数和(自身を除く): 136285872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270407, 540814, 811221, 1081628, 1352035, 1622442, 2163256, 2704070, 3244884, 4056105, 4326512, 5408140, 6489768, 8112210, 10816280, 12979536, 16224420, 21632560, 32448840, 64897680]

約数ペア:

[(1, 64897680), (2, 32448840), (3, 21632560), (4, 16224420), (5, 12979536), (6, 10816280), (8, 8112210), (10, 6489768), (12, 5408140), (15, 4326512), (16, 4056105), (20, 3244884), (24, 2704070), (30, 2163256), (40, 1622442), (48, 1352035), (60, 1081628), (80, 811221), (120, 540814), (240, 270407)]