157685920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20113}}^1$

素因数の和:20142

約数の個数: 72

約数和(自身を含む): 433376244

約数和(自身を除く): 275690324

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20113, 40226, 80452, 100565, 140791, 160904, 201130, 281582, 321808, 402260, 563164, 643616, 703955, 804520, 985537, 1126328, 1407910, 1609040, 1971074, 2252656, 2815820, 3218080, 3942148, 4505312, 4927685, 5631640, 7884296, 9855370, 11263280, 15768592, 19710740, 22526560, 31537184, 39421480, 78842960, 157685920]

約数ペア:

[(1, 157685920), (2, 78842960), (4, 39421480), (5, 31537184), (7, 22526560), (8, 19710740), (10, 15768592), (14, 11263280), (16, 9855370), (20, 7884296), (28, 5631640), (32, 4927685), (35, 4505312), (40, 3942148), (49, 3218080), (56, 2815820), (70, 2252656), (80, 1971074), (98, 1609040), (112, 1407910), (140, 1126328), (160, 985537), (196, 804520), (224, 703955), (245, 643616), (280, 563164), (392, 402260), (490, 321808), (560, 281582), (784, 201130), (980, 160904), (1120, 140791), (1568, 100565), (1960, 80452), (3920, 40226), (7840, 20113)]