30809730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{20959}}^1$

素因数の和:20983

約数の個数: 48

約数和(自身を含む): 86019840

約数和(自身を除く): 55210110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 20959, 41918, 62877, 104795, 125754, 146713, 209590, 293426, 314385, 440139, 628770, 733565, 880278, 1026991, 1467130, 2053982, 2200695, 3080973, 4401390, 5134955, 6161946, 10269910, 15404865, 30809730]

約数ペア:

[(1, 30809730), (2, 15404865), (3, 10269910), (5, 6161946), (6, 5134955), (7, 4401390), (10, 3080973), (14, 2200695), (15, 2053982), (21, 1467130), (30, 1026991), (35, 880278), (42, 733565), (49, 628770), (70, 440139), (98, 314385), (105, 293426), (147, 209590), (210, 146713), (245, 125754), (294, 104795), (490, 62877), (735, 41918), (1470, 20959)]