291210080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{260009}}^1$

素因数の和:260031

約数の個数: 48

約数和(自身を含む): 786270240

約数和(自身を除く): 495060160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 260009, 520018, 1040036, 1300045, 1820063, 2080072, 2600090, 3640126, 4160144, 5200180, 7280252, 8320288, 9100315, 10400360, 14560504, 18200630, 20800720, 29121008, 36401260, 41601440, 58242016, 72802520, 145605040, 291210080]

約数ペア:

[(1, 291210080), (2, 145605040), (4, 72802520), (5, 58242016), (7, 41601440), (8, 36401260), (10, 29121008), (14, 20800720), (16, 18200630), (20, 14560504), (28, 10400360), (32, 9100315), (35, 8320288), (40, 7280252), (56, 5200180), (70, 4160144), (80, 3640126), (112, 2600090), (140, 2080072), (160, 1820063), (224, 1300045), (280, 1040036), (560, 520018), (1120, 260009)]