64857840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270241}}^1$

素因数の和:270257

約数の個数: 40

約数和(自身を含む): 201060048

約数和(自身を除く): 136202208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270241, 540482, 810723, 1080964, 1351205, 1621446, 2161928, 2702410, 3242892, 4053615, 4323856, 5404820, 6485784, 8107230, 10809640, 12971568, 16214460, 21619280, 32428920, 64857840]

約数ペア:

[(1, 64857840), (2, 32428920), (3, 21619280), (4, 16214460), (5, 12971568), (6, 10809640), (8, 8107230), (10, 6485784), (12, 5404820), (15, 4323856), (16, 4053615), (20, 3242892), (24, 2702410), (30, 2161928), (40, 1621446), (48, 1351205), (60, 1080964), (80, 810723), (120, 540482), (240, 270241)]