31581780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12241}}^1$

素因数の和:12296

約数の個数: 48

約数和(自身を含む): 90492864

約数和(自身を除く): 58911084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 12241, 24482, 36723, 48964, 61205, 73446, 122410, 146892, 183615, 244820, 367230, 526363, 734460, 1052726, 1579089, 2105452, 2631815, 3158178, 5263630, 6316356, 7895445, 10527260, 15790890, 31581780]

約数ペア:

[(1, 31581780), (2, 15790890), (3, 10527260), (4, 7895445), (5, 6316356), (6, 5263630), (10, 3158178), (12, 2631815), (15, 2105452), (20, 1579089), (30, 1052726), (43, 734460), (60, 526363), (86, 367230), (129, 244820), (172, 183615), (215, 146892), (258, 122410), (430, 73446), (516, 61205), (645, 48964), (860, 36723), (1290, 24482), (2580, 12241)]