31483020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 88397568

約数和(自身を除く): 56914548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 811, 1294, 1622, 1941, 2433, 2588, 3235, 3244, 3882, 4055, 4866, 6470, 7764, 8110, 9705, 9732, 12165, 12940, 16220, 19410, 24330, 38820, 48660, 524717, 1049434, 1574151, 2098868, 2623585, 3148302, 5247170, 6296604, 7870755, 10494340, 15741510, 31483020]

約数ペア:

[(1, 31483020), (2, 15741510), (3, 10494340), (4, 7870755), (5, 6296604), (6, 5247170), (10, 3148302), (12, 2623585), (15, 2098868), (20, 1574151), (30, 1049434), (60, 524717), (647, 48660), (811, 38820), (1294, 24330), (1622, 19410), (1941, 16220), (2433, 12940), (2588, 12165), (3235, 9732), (3244, 9705), (3882, 8110), (4055, 7764), (4866, 6470)]