81348360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4877}}^1$

素因数の和:5030

約数の個数: 64

約数和(自身を含む): 245851200

約数和(自身を除く): 164502840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4877, 5560, 8340, 9754, 14631, 16680, 19508, 24385, 29262, 39016, 48770, 58524, 73155, 97540, 117048, 146310, 195080, 292620, 585240, 677903, 1355806, 2033709, 2711612, 3389515, 4067418, 5423224, 6779030, 8134836, 10168545, 13558060, 16269672, 20337090, 27116120, 40674180, 81348360]

約数ペア:

[(1, 81348360), (2, 40674180), (3, 27116120), (4, 20337090), (5, 16269672), (6, 13558060), (8, 10168545), (10, 8134836), (12, 6779030), (15, 5423224), (20, 4067418), (24, 3389515), (30, 2711612), (40, 2033709), (60, 1355806), (120, 677903), (139, 585240), (278, 292620), (417, 195080), (556, 146310), (695, 117048), (834, 97540), (1112, 73155), (1390, 58524), (1668, 48770), (2085, 39016), (2780, 29262), (3336, 24385), (4170, 19508), (4877, 16680), (5560, 14631), (8340, 9754)]