78811440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328381}}^1$

素因数の和:328397

約数の個数: 40

約数和(自身を含む): 244316208

約数和(自身を除く): 165504768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328381, 656762, 985143, 1313524, 1641905, 1970286, 2627048, 3283810, 3940572, 4925715, 5254096, 6567620, 7881144, 9851430, 13135240, 15762288, 19702860, 26270480, 39405720, 78811440]

約数ペア:

[(1, 78811440), (2, 39405720), (3, 26270480), (4, 19702860), (5, 15762288), (6, 13135240), (8, 9851430), (10, 7881144), (12, 6567620), (15, 5254096), (16, 4925715), (20, 3940572), (24, 3283810), (30, 2627048), (40, 1970286), (48, 1641905), (60, 1313524), (80, 985143), (120, 656762), (240, 328381)]