78910860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187883}}^1$

素因数の和:187902

約数の個数: 48

約数和(自身を含む): 252516096

約数和(自身を除く): 173605236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187883, 375766, 563649, 751532, 939415, 1127298, 1315181, 1878830, 2254596, 2630362, 2818245, 3757660, 3945543, 5260724, 5636490, 6575905, 7891086, 11272980, 13151810, 15782172, 19727715, 26303620, 39455430, 78910860]

約数ペア:

[(1, 78910860), (2, 39455430), (3, 26303620), (4, 19727715), (5, 15782172), (6, 13151810), (7, 11272980), (10, 7891086), (12, 6575905), (14, 5636490), (15, 5260724), (20, 3945543), (21, 3757660), (28, 2818245), (30, 2630362), (35, 2254596), (42, 1878830), (60, 1315181), (70, 1127298), (84, 939415), (105, 751532), (140, 563649), (210, 375766), (420, 187883)]