161259420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383951}}^1$

素因数の和:383970

約数の個数: 48

約数和(自身を含む): 516031488

約数和(自身を除く): 354772068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 383951, 767902, 1151853, 1535804, 1919755, 2303706, 2687657, 3839510, 4607412, 5375314, 5759265, 7679020, 8062971, 10750628, 11518530, 13438285, 16125942, 23037060, 26876570, 32251884, 40314855, 53753140, 80629710, 161259420]

約数ペア:

[(1, 161259420), (2, 80629710), (3, 53753140), (4, 40314855), (5, 32251884), (6, 26876570), (7, 23037060), (10, 16125942), (12, 13438285), (14, 11518530), (15, 10750628), (20, 8062971), (21, 7679020), (28, 5759265), (30, 5375314), (35, 4607412), (42, 3839510), (60, 2687657), (70, 2303706), (84, 1919755), (105, 1535804), (140, 1151853), (210, 767902), (420, 383951)]