30424520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 78779520

約数和(自身を除く): 48355000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 563, 772, 965, 1126, 1351, 1544, 1930, 2252, 2702, 2815, 3860, 3941, 4504, 5404, 5630, 6755, 7720, 7882, 10808, 11260, 13510, 15764, 19705, 22520, 27020, 31528, 39410, 54040, 78820, 108659, 157640, 217318, 434636, 543295, 760613, 869272, 1086590, 1521226, 2173180, 3042452, 3803065, 4346360, 6084904, 7606130, 15212260, 30424520]

約数ペア:

[(1, 30424520), (2, 15212260), (4, 7606130), (5, 6084904), (7, 4346360), (8, 3803065), (10, 3042452), (14, 2173180), (20, 1521226), (28, 1086590), (35, 869272), (40, 760613), (56, 543295), (70, 434636), (140, 217318), (193, 157640), (280, 108659), (386, 78820), (563, 54040), (772, 39410), (965, 31528), (1126, 27020), (1351, 22520), (1544, 19705), (1930, 15764), (2252, 13510), (2702, 11260), (2815, 10808), (3860, 7882), (3941, 7720), (4504, 6755), (5404, 5630)]