30060520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 79156260

約数和(自身を除く): 49095740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 313, 343, 392, 490, 626, 686, 980, 1252, 1372, 1565, 1715, 1960, 2191, 2401, 2504, 2744, 3130, 3430, 4382, 4802, 6260, 6860, 8764, 9604, 10955, 12005, 12520, 13720, 15337, 17528, 19208, 21910, 24010, 30674, 43820, 48020, 61348, 76685, 87640, 96040, 107359, 122696, 153370, 214718, 306740, 429436, 536795, 613480, 751513, 858872, 1073590, 1503026, 2147180, 3006052, 3757565, 4294360, 6012104, 7515130, 15030260, 30060520]

約数ペア:

[(1, 30060520), (2, 15030260), (4, 7515130), (5, 6012104), (7, 4294360), (8, 3757565), (10, 3006052), (14, 2147180), (20, 1503026), (28, 1073590), (35, 858872), (40, 751513), (49, 613480), (56, 536795), (70, 429436), (98, 306740), (140, 214718), (196, 153370), (245, 122696), (280, 107359), (313, 96040), (343, 87640), (392, 76685), (490, 61348), (626, 48020), (686, 43820), (980, 30674), (1252, 24010), (1372, 21910), (1565, 19208), (1715, 17528), (1960, 15337), (2191, 13720), (2401, 12520), (2504, 12005), (2744, 10955), (3130, 9604), (3430, 8764), (4382, 6860), (4802, 6260)]