320256780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280927}}^1$

素因数の和:280958

約数の個数: 48

約数和(自身を含む): 943918080

約数和(自身を除く): 623661300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 280927, 561854, 842781, 1123708, 1404635, 1685562, 2809270, 3371124, 4213905, 5337613, 5618540, 8427810, 10675226, 16012839, 16855620, 21350452, 26688065, 32025678, 53376130, 64051356, 80064195, 106752260, 160128390, 320256780]

約数ペア:

[(1, 320256780), (2, 160128390), (3, 106752260), (4, 80064195), (5, 64051356), (6, 53376130), (10, 32025678), (12, 26688065), (15, 21350452), (19, 16855620), (20, 16012839), (30, 10675226), (38, 8427810), (57, 5618540), (60, 5337613), (76, 4213905), (95, 3371124), (114, 2809270), (190, 1685562), (228, 1404635), (285, 1123708), (380, 842781), (570, 561854), (1140, 280927)]