30781404

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 80186400

約数和(自身を除く): 49404996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 771, 1028, 1109, 1542, 2218, 2313, 3084, 3327, 4436, 4626, 6654, 6939, 9252, 9981, 13308, 13878, 19962, 27756, 29943, 39924, 59886, 119772, 285013, 570026, 855039, 1140052, 1710078, 2565117, 3420156, 5130234, 7695351, 10260468, 15390702, 30781404]

約数ペア:

[(1, 30781404), (2, 15390702), (3, 10260468), (4, 7695351), (6, 5130234), (9, 3420156), (12, 2565117), (18, 1710078), (27, 1140052), (36, 855039), (54, 570026), (108, 285013), (257, 119772), (514, 59886), (771, 39924), (1028, 29943), (1109, 27756), (1542, 19962), (2218, 13878), (2313, 13308), (3084, 9981), (3327, 9252), (4436, 6939), (4626, 6654)]