28758510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 87505920

約数和(自身を除く): 58747410

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 297, 330, 345, 414, 421, 495, 506, 594, 621, 690, 759, 842, 990, 1035, 1242, 1263, 1265, 1485, 1518, 2070, 2105, 2277, 2526, 2530, 2970, 3105, 3789, 3795, 4210, 4554, 4631, 6210, 6315, 6831, 7578, 7590, 9262, 9683, 11367, 11385, 12630, 13662, 13893, 18945, 19366, 22734, 22770, 23155, 27786, 29049, 34155, 37890, 41679, 46310, 48415, 56835, 58098, 68310, 69465, 83358, 87147, 96830, 106513, 113670, 125037, 138930, 145245, 174294, 208395, 213026, 250074, 261441, 290490, 319539, 416790, 435735, 522882, 532565, 625185, 639078, 871470, 958617, 1065130, 1250370, 1307205, 1597695, 1917234, 2614410, 2875851, 3195390, 4793085, 5751702, 9586170, 14379255, 28758510]

約数ペア:

[(1, 28758510), (2, 14379255), (3, 9586170), (5, 5751702), (6, 4793085), (9, 3195390), (10, 2875851), (11, 2614410), (15, 1917234), (18, 1597695), (22, 1307205), (23, 1250370), (27, 1065130), (30, 958617), (33, 871470), (45, 639078), (46, 625185), (54, 532565), (55, 522882), (66, 435735), (69, 416790), (90, 319539), (99, 290490), (110, 261441), (115, 250074), (135, 213026), (138, 208395), (165, 174294), (198, 145245), (207, 138930), (230, 125037), (253, 113670), (270, 106513), (297, 96830), (330, 87147), (345, 83358), (414, 69465), (421, 68310), (495, 58098), (506, 56835), (594, 48415), (621, 46310), (690, 41679), (759, 37890), (842, 34155), (990, 29049), (1035, 27786), (1242, 23155), (1263, 22770), (1265, 22734), (1485, 19366), (1518, 18945), (2070, 13893), (2105, 13662), (2277, 12630), (2526, 11385), (2530, 11367), (2970, 9683), (3105, 9262), (3789, 7590), (3795, 7578), (4210, 6831), (4554, 6315), (4631, 6210)]