208725840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289897}}^1$

素因数の和:289916

約数の個数: 60

約数和(自身を含む): 700973364

約数和(自身を除く): 492247524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289897, 579794, 869691, 1159588, 1449485, 1739382, 2319176, 2609073, 2898970, 3478764, 4348455, 4638352, 5218146, 5797940, 6957528, 8696910, 10436292, 11595880, 13045365, 13915056, 17393820, 20872584, 23191760, 26090730, 34787640, 41745168, 52181460, 69575280, 104362920, 208725840]

約数ペア:

[(1, 208725840), (2, 104362920), (3, 69575280), (4, 52181460), (5, 41745168), (6, 34787640), (8, 26090730), (9, 23191760), (10, 20872584), (12, 17393820), (15, 13915056), (16, 13045365), (18, 11595880), (20, 10436292), (24, 8696910), (30, 6957528), (36, 5797940), (40, 5218146), (45, 4638352), (48, 4348455), (60, 3478764), (72, 2898970), (80, 2609073), (90, 2319176), (120, 1739382), (144, 1449485), (180, 1159588), (240, 869691), (360, 579794), (720, 289897)]