15697990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 39398400

約数和(自身を除く): 23700410

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 29, 35, 37, 38, 55, 58, 70, 74, 77, 95, 110, 133, 145, 154, 185, 190, 203, 209, 259, 266, 290, 319, 370, 385, 406, 407, 418, 518, 551, 638, 665, 703, 770, 814, 1015, 1045, 1073, 1102, 1295, 1330, 1406, 1463, 1595, 2030, 2035, 2090, 2146, 2233, 2590, 2755, 2849, 2926, 3190, 3515, 3857, 4070, 4466, 4921, 5365, 5510, 5698, 6061, 7030, 7315, 7511, 7714, 7733, 9842, 10730, 11165, 11803, 12122, 14245, 14630, 15022, 15466, 19285, 20387, 22330, 23606, 24605, 28490, 30305, 37555, 38570, 38665, 40774, 42427, 49210, 54131, 59015, 60610, 75110, 77330, 82621, 84854, 101935, 108262, 118030, 142709, 165242, 203870, 212135, 224257, 270655, 285418, 413105, 424270, 448514, 541310, 713545, 826210, 1121285, 1427090, 1569799, 2242570, 3139598, 7848995, 15697990]

約数ペア:

[(1, 15697990), (2, 7848995), (5, 3139598), (7, 2242570), (10, 1569799), (11, 1427090), (14, 1121285), (19, 826210), (22, 713545), (29, 541310), (35, 448514), (37, 424270), (38, 413105), (55, 285418), (58, 270655), (70, 224257), (74, 212135), (77, 203870), (95, 165242), (110, 142709), (133, 118030), (145, 108262), (154, 101935), (185, 84854), (190, 82621), (203, 77330), (209, 75110), (259, 60610), (266, 59015), (290, 54131), (319, 49210), (370, 42427), (385, 40774), (406, 38665), (407, 38570), (418, 37555), (518, 30305), (551, 28490), (638, 24605), (665, 23606), (703, 22330), (770, 20387), (814, 19285), (1015, 15466), (1045, 15022), (1073, 14630), (1102, 14245), (1295, 12122), (1330, 11803), (1406, 11165), (1463, 10730), (1595, 9842), (2030, 7733), (2035, 7714), (2090, 7511), (2146, 7315), (2233, 7030), (2590, 6061), (2755, 5698), (2849, 5510), (2926, 5365), (3190, 4921), (3515, 4466), (3857, 4070)]