28152780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1307}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 79107840

約数和(自身を除く): 50955060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 1077, 1307, 1436, 1795, 2154, 2614, 3590, 3921, 4308, 5228, 5385, 6535, 7180, 7842, 10770, 13070, 15684, 19605, 21540, 26140, 39210, 78420, 469213, 938426, 1407639, 1876852, 2346065, 2815278, 4692130, 5630556, 7038195, 9384260, 14076390, 28152780]

約数ペア:

[(1, 28152780), (2, 14076390), (3, 9384260), (4, 7038195), (5, 5630556), (6, 4692130), (10, 2815278), (12, 2346065), (15, 1876852), (20, 1407639), (30, 938426), (60, 469213), (359, 78420), (718, 39210), (1077, 26140), (1307, 21540), (1436, 19605), (1795, 15684), (2154, 13070), (2614, 10770), (3590, 7842), (3921, 7180), (4308, 6535), (5228, 5385)]