156363920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102871}}^1$

素因数の和:102903

約数の個数: 40

約数和(自身を含む): 382683840

約数和(自身を除く): 226319920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 102871, 205742, 411484, 514355, 822968, 1028710, 1645936, 1954549, 2057420, 3909098, 4114840, 7818196, 8229680, 9772745, 15636392, 19545490, 31272784, 39090980, 78181960, 156363920]

約数ペア:

[(1, 156363920), (2, 78181960), (4, 39090980), (5, 31272784), (8, 19545490), (10, 15636392), (16, 9772745), (19, 8229680), (20, 7818196), (38, 4114840), (40, 3909098), (76, 2057420), (80, 1954549), (95, 1645936), (152, 1028710), (190, 822968), (304, 514355), (380, 411484), (760, 205742), (1520, 102871)]