30512720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 120

約数和(自身を含む): 85577856

約数和(自身を除く): 55065136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 103, 112, 115, 140, 161, 184, 206, 230, 280, 322, 368, 412, 460, 515, 529, 560, 644, 721, 805, 824, 920, 1030, 1058, 1288, 1442, 1610, 1648, 1840, 2060, 2116, 2369, 2576, 2645, 2884, 3220, 3605, 3703, 4120, 4232, 4738, 5290, 5768, 6440, 7210, 7406, 8240, 8464, 9476, 10580, 11536, 11845, 12880, 14420, 14812, 16583, 18515, 18952, 21160, 23690, 28840, 29624, 33166, 37030, 37904, 42320, 47380, 54487, 57680, 59248, 66332, 74060, 82915, 94760, 108974, 132664, 148120, 165830, 189520, 217948, 265328, 272435, 296240, 331660, 381409, 435896, 544870, 663320, 762818, 871792, 1089740, 1326640, 1525636, 1907045, 2179480, 3051272, 3814090, 4358960, 6102544, 7628180, 15256360, 30512720]

約数ペア:

[(1, 30512720), (2, 15256360), (4, 7628180), (5, 6102544), (7, 4358960), (8, 3814090), (10, 3051272), (14, 2179480), (16, 1907045), (20, 1525636), (23, 1326640), (28, 1089740), (35, 871792), (40, 762818), (46, 663320), (56, 544870), (70, 435896), (80, 381409), (92, 331660), (103, 296240), (112, 272435), (115, 265328), (140, 217948), (161, 189520), (184, 165830), (206, 148120), (230, 132664), (280, 108974), (322, 94760), (368, 82915), (412, 74060), (460, 66332), (515, 59248), (529, 57680), (560, 54487), (644, 47380), (721, 42320), (805, 37904), (824, 37030), (920, 33166), (1030, 29624), (1058, 28840), (1288, 23690), (1442, 21160), (1610, 18952), (1648, 18515), (1840, 16583), (2060, 14812), (2116, 14420), (2369, 12880), (2576, 11845), (2645, 11536), (2884, 10580), (3220, 9476), (3605, 8464), (3703, 8240), (4120, 7406), (4232, 7210), (4738, 6440), (5290, 5768)]