331440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1397

約数の個数: 40

約数和(自身を含む): 1028208

約数和(自身を除く): 696768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1381, 2762, 4143, 5524, 6905, 8286, 11048, 13810, 16572, 20715, 22096, 27620, 33144, 41430, 55240, 66288, 82860, 110480, 165720, 331440]

約数ペア:

[(1, 331440), (2, 165720), (3, 110480), (4, 82860), (5, 66288), (6, 55240), (8, 41430), (10, 33144), (12, 27620), (15, 22096), (16, 20715), (20, 16572), (24, 13810), (30, 11048), (40, 8286), (48, 6905), (60, 5524), (80, 4143), (120, 2762), (240, 1381)]