15782060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 38196480

約数和(自身を除く): 22414420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 811, 973, 1390, 1622, 1946, 2780, 3244, 3892, 4055, 4865, 5677, 8110, 9730, 11354, 16220, 19460, 22708, 28385, 56770, 112729, 113540, 225458, 450916, 563645, 789103, 1127290, 1578206, 2254580, 3156412, 3945515, 7891030, 15782060]

約数ペア:

[(1, 15782060), (2, 7891030), (4, 3945515), (5, 3156412), (7, 2254580), (10, 1578206), (14, 1127290), (20, 789103), (28, 563645), (35, 450916), (70, 225458), (139, 113540), (140, 112729), (278, 56770), (556, 28385), (695, 22708), (811, 19460), (973, 16220), (1390, 11354), (1622, 9730), (1946, 8110), (2780, 5677), (3244, 4865), (3892, 4055)]