12572840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 32780160

約数和(自身を除く): 20207320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 541, 581, 664, 830, 1082, 1162, 1660, 2164, 2324, 2705, 2905, 3320, 3787, 4328, 4648, 5410, 5810, 7574, 10820, 11620, 15148, 18935, 21640, 23240, 30296, 37870, 44903, 75740, 89806, 151480, 179612, 224515, 314321, 359224, 449030, 628642, 898060, 1257284, 1571605, 1796120, 2514568, 3143210, 6286420, 12572840]

約数ペア:

[(1, 12572840), (2, 6286420), (4, 3143210), (5, 2514568), (7, 1796120), (8, 1571605), (10, 1257284), (14, 898060), (20, 628642), (28, 449030), (35, 359224), (40, 314321), (56, 224515), (70, 179612), (83, 151480), (140, 89806), (166, 75740), (280, 44903), (332, 37870), (415, 30296), (541, 23240), (581, 21640), (664, 18935), (830, 15148), (1082, 11620), (1162, 10820), (1660, 7574), (2164, 5810), (2324, 5410), (2705, 4648), (2905, 4328), (3320, 3787)]