77838480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108109}}^1$

素因数の和:108128

約数の個数: 60

約数和(自身を含む): 261409980

約数和(自身を除く): 183571500

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, 108109, 216218, 324327, 432436, 540545, 648654, 864872, 972981, 1081090, 1297308, 1621635, 1729744, 1945962, 2162180, 2594616, 3243270, 3891924, 4324360, 4864905, 5189232, 6486540, 7783848, 8648720, 9729810, 12973080, 15567696, 19459620, 25946160, 38919240, 77838480]

約数ペア:

[(1, 77838480), (2, 38919240), (3, 25946160), (4, 19459620), (5, 15567696), (6, 12973080), (8, 9729810), (9, 8648720), (10, 7783848), (12, 6486540), (15, 5189232), (16, 4864905), (18, 4324360), (20, 3891924), (24, 3243270), (30, 2594616), (36, 2162180), (40, 1945962), (45, 1729744), (48, 1621635), (60, 1297308), (72, 1081090), (80, 972981), (90, 864872), (120, 648654), (144, 540545), (180, 432436), (240, 324327), (360, 216218), (720, 108109)]