72716120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11579}}^1$

素因数の和:11747

約数の個数: 32

約数和(自身を含む): 164667600

約数和(自身を除く): 91951480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 11579, 23158, 46316, 57895, 92632, 115790, 231580, 463160, 1817903, 3635806, 7271612, 9089515, 14543224, 18179030, 36358060, 72716120]

約数ペア:

[(1, 72716120), (2, 36358060), (4, 18179030), (5, 14543224), (8, 9089515), (10, 7271612), (20, 3635806), (40, 1817903), (157, 463160), (314, 231580), (628, 115790), (785, 92632), (1256, 57895), (1570, 46316), (3140, 23158), (6280, 11579)]