147805280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{131969}}^1$

素因数の和:131991

約数の個数: 48

約数和(自身を含む): 399077280

約数和(自身を除く): 251272000

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, 131969, 263938, 527876, 659845, 923783, 1055752, 1319690, 1847566, 2111504, 2639380, 3695132, 4223008, 4618915, 5278760, 7390264, 9237830, 10557520, 14780528, 18475660, 21115040, 29561056, 36951320, 73902640, 147805280]

約数ペア:

[(1, 147805280), (2, 73902640), (4, 36951320), (5, 29561056), (7, 21115040), (8, 18475660), (10, 14780528), (14, 10557520), (16, 9237830), (20, 7390264), (28, 5278760), (32, 4618915), (35, 4223008), (40, 3695132), (56, 2639380), (70, 2111504), (80, 1847566), (112, 1319690), (140, 1055752), (160, 923783), (224, 659845), (280, 527876), (560, 263938), (1120, 131969)]