121457120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39953}}^1$

素因数の和:39987

約数の個数: 48

約数和(自身を含む): 302052240

約数和(自身を除く): 180595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 39953, 79906, 159812, 199765, 319624, 399530, 639248, 759107, 799060, 1278496, 1518214, 1598120, 3036428, 3196240, 3795535, 6072856, 6392480, 7591070, 12145712, 15182140, 24291424, 30364280, 60728560, 121457120]

約数ペア:

[(1, 121457120), (2, 60728560), (4, 30364280), (5, 24291424), (8, 15182140), (10, 12145712), (16, 7591070), (19, 6392480), (20, 6072856), (32, 3795535), (38, 3196240), (40, 3036428), (76, 1598120), (80, 1518214), (95, 1278496), (152, 799060), (160, 759107), (190, 639248), (304, 399530), (380, 319624), (608, 199765), (760, 159812), (1520, 79906), (3040, 39953)]