131205240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{364459}}^1$

素因数の和:364476

約数の個数: 48

約数和(自身を含む): 426418200

約数和(自身を除く): 295212960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 364459, 728918, 1093377, 1457836, 1822295, 2186754, 2915672, 3280131, 3644590, 4373508, 5466885, 6560262, 7289180, 8747016, 10933770, 13120524, 14578360, 16400655, 21867540, 26241048, 32801310, 43735080, 65602620, 131205240]

約数ペア:

[(1, 131205240), (2, 65602620), (3, 43735080), (4, 32801310), (5, 26241048), (6, 21867540), (8, 16400655), (9, 14578360), (10, 13120524), (12, 10933770), (15, 8747016), (18, 7289180), (20, 6560262), (24, 5466885), (30, 4373508), (36, 3644590), (40, 3280131), (45, 2915672), (60, 2186754), (72, 1822295), (90, 1457836), (120, 1093377), (180, 728918), (360, 364459)]