61874460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2473}}^1$

素因数の和:2627

約数の個数: 72

約数和(自身を含む): 189112560

約数和(自身を除く): 127238100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2473, 2502, 2780, 4170, 4946, 5004, 6255, 7419, 8340, 9892, 12365, 12510, 14838, 22257, 24730, 25020, 29676, 37095, 44514, 49460, 74190, 89028, 111285, 148380, 222570, 343747, 445140, 687494, 1031241, 1374988, 1718735, 2062482, 3093723, 3437470, 4124964, 5156205, 6187446, 6874940, 10312410, 12374892, 15468615, 20624820, 30937230, 61874460]

約数ペア:

[(1, 61874460), (2, 30937230), (3, 20624820), (4, 15468615), (5, 12374892), (6, 10312410), (9, 6874940), (10, 6187446), (12, 5156205), (15, 4124964), (18, 3437470), (20, 3093723), (30, 2062482), (36, 1718735), (45, 1374988), (60, 1031241), (90, 687494), (139, 445140), (180, 343747), (278, 222570), (417, 148380), (556, 111285), (695, 89028), (834, 74190), (1251, 49460), (1390, 44514), (1668, 37095), (2085, 29676), (2473, 25020), (2502, 24730), (2780, 22257), (4170, 14838), (4946, 12510), (5004, 12365), (6255, 9892), (7419, 8340)]