81030720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{84407}}^1$

素因数の和:84427

約数の個数: 56

約数和(自身を含む): 257275584

約数和(自身を除く): 176244864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 84407, 168814, 253221, 337628, 422035, 506442, 675256, 844070, 1012884, 1266105, 1350512, 1688140, 2025768, 2532210, 2701024, 3376280, 4051536, 5064420, 5402048, 6752560, 8103072, 10128840, 13505120, 16206144, 20257680, 27010240, 40515360, 81030720]

約数ペア:

[(1, 81030720), (2, 40515360), (3, 27010240), (4, 20257680), (5, 16206144), (6, 13505120), (8, 10128840), (10, 8103072), (12, 6752560), (15, 5402048), (16, 5064420), (20, 4051536), (24, 3376280), (30, 2701024), (32, 2532210), (40, 2025768), (48, 1688140), (60, 1350512), (64, 1266105), (80, 1012884), (96, 844070), (120, 675256), (160, 506442), (192, 422035), (240, 337628), (320, 253221), (480, 168814), (960, 84407)]