30514520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 71327520

約数和(自身を除く): 40813000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 157, 172, 215, 226, 314, 344, 430, 452, 565, 628, 785, 860, 904, 1130, 1256, 1570, 1720, 2260, 3140, 4520, 4859, 6280, 6751, 9718, 13502, 17741, 19436, 24295, 27004, 33755, 35482, 38872, 48590, 54008, 67510, 70964, 88705, 97180, 135020, 141928, 177410, 194360, 270040, 354820, 709640, 762863, 1525726, 3051452, 3814315, 6102904, 7628630, 15257260, 30514520]

約数ペア:

[(1, 30514520), (2, 15257260), (4, 7628630), (5, 6102904), (8, 3814315), (10, 3051452), (20, 1525726), (40, 762863), (43, 709640), (86, 354820), (113, 270040), (157, 194360), (172, 177410), (215, 141928), (226, 135020), (314, 97180), (344, 88705), (430, 70964), (452, 67510), (565, 54008), (628, 48590), (785, 38872), (860, 35482), (904, 33755), (1130, 27004), (1256, 24295), (1570, 19436), (1720, 17741), (2260, 13502), (3140, 9718), (4520, 6751), (4859, 6280)]