8148180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 23002560

約数和(自身を除く): 14854380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 977, 1390, 1668, 1954, 2085, 2780, 2931, 3908, 4170, 4885, 5862, 8340, 9770, 11724, 14655, 19540, 29310, 58620, 135803, 271606, 407409, 543212, 679015, 814818, 1358030, 1629636, 2037045, 2716060, 4074090, 8148180]

約数ペア:

[(1, 8148180), (2, 4074090), (3, 2716060), (4, 2037045), (5, 1629636), (6, 1358030), (10, 814818), (12, 679015), (15, 543212), (20, 407409), (30, 271606), (60, 135803), (139, 58620), (278, 29310), (417, 19540), (556, 14655), (695, 11724), (834, 9770), (977, 8340), (1390, 5862), (1668, 4885), (1954, 4170), (2085, 3908), (2780, 2931)]