61392720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255803}}^1$

素因数の和:255819

約数の個数: 40

約数和(自身を含む): 190318176

約数和(自身を除く): 128925456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255803, 511606, 767409, 1023212, 1279015, 1534818, 2046424, 2558030, 3069636, 3837045, 4092848, 5116060, 6139272, 7674090, 10232120, 12278544, 15348180, 20464240, 30696360, 61392720]

約数ペア:

[(1, 61392720), (2, 30696360), (3, 20464240), (4, 15348180), (5, 12278544), (6, 10232120), (8, 7674090), (10, 6139272), (12, 5116060), (15, 4092848), (16, 3837045), (20, 3069636), (24, 2558030), (30, 2046424), (40, 1534818), (48, 1279015), (60, 1023212), (80, 767409), (120, 511606), (240, 255803)]