31161720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{259681}}^1$

素因数の和:259695

約数の個数: 32

約数和(自身を含む): 93485520

約数和(自身を除く): 62323800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 259681, 519362, 779043, 1038724, 1298405, 1558086, 2077448, 2596810, 3116172, 3895215, 5193620, 6232344, 7790430, 10387240, 15580860, 31161720]

約数ペア:

[(1, 31161720), (2, 15580860), (3, 10387240), (4, 7790430), (5, 6232344), (6, 5193620), (8, 3895215), (10, 3116172), (12, 2596810), (15, 2077448), (20, 1558086), (24, 1298405), (30, 1038724), (40, 779043), (60, 519362), (120, 259681)]