51616260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 157772160

約数和(自身を除く): 106155900

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, 2063, 2085, 2502, 2780, 4126, 4170, 5004, 6189, 6255, 8252, 8340, 10315, 12378, 12510, 18567, 20630, 24756, 25020, 30945, 37134, 41260, 61890, 74268, 92835, 123780, 185670, 286757, 371340, 573514, 860271, 1147028, 1433785, 1720542, 2580813, 2867570, 3441084, 4301355, 5161626, 5735140, 8602710, 10323252, 12904065, 17205420, 25808130, 51616260]

約数ペア:

[(1, 51616260), (2, 25808130), (3, 17205420), (4, 12904065), (5, 10323252), (6, 8602710), (9, 5735140), (10, 5161626), (12, 4301355), (15, 3441084), (18, 2867570), (20, 2580813), (30, 1720542), (36, 1433785), (45, 1147028), (60, 860271), (90, 573514), (139, 371340), (180, 286757), (278, 185670), (417, 123780), (556, 92835), (695, 74268), (834, 61890), (1251, 41260), (1390, 37134), (1668, 30945), (2063, 25020), (2085, 24756), (2502, 20630), (2780, 18567), (4126, 12510), (4170, 12378), (5004, 10315), (6189, 8340), (6255, 8252)]