15660680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55931}}^1$

素因数の和:55949

約数の個数: 32

約数和(自身を含む): 40271040

約数和(自身を除く): 24610360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55931, 111862, 223724, 279655, 391517, 447448, 559310, 783034, 1118620, 1566068, 1957585, 2237240, 3132136, 3915170, 7830340, 15660680]

約数ペア:

[(1, 15660680), (2, 7830340), (4, 3915170), (5, 3132136), (7, 2237240), (8, 1957585), (10, 1566068), (14, 1118620), (20, 783034), (28, 559310), (35, 447448), (40, 391517), (56, 279655), (70, 223724), (140, 111862), (280, 55931)]