87431120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156127}}^1$

素因数の和:156147

約数の個数: 40

約数和(自身を含む): 232318464

約数和(自身を除く): 144887344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156127, 312254, 624508, 780635, 1092889, 1249016, 1561270, 2185778, 2498032, 3122540, 4371556, 5464445, 6245080, 8743112, 10928890, 12490160, 17486224, 21857780, 43715560, 87431120]

約数ペア:

[(1, 87431120), (2, 43715560), (4, 21857780), (5, 17486224), (7, 12490160), (8, 10928890), (10, 8743112), (14, 6245080), (16, 5464445), (20, 4371556), (28, 3122540), (35, 2498032), (40, 2185778), (56, 1561270), (70, 1249016), (80, 1092889), (112, 780635), (140, 624508), (280, 312254), (560, 156127)]